Home / 38,053.92-52,513.96-21,056.88

Finding the Fourth Proportional to 38,053.92, 52,513.96 and 21,056.88

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Solution

The fourth proportional to 38,053.92, 52,513.96 and 21,056.88 is: 29,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,053.92 : 52,513.96 = 21,056.88 : x
  2. Step 2: Convert to fraction form
    38,053.92/52,513.96 = 21,056.88/x
  3. Step 3: Cross multiply
    38,053.92x = 52,513.96 × 21,056.88
  4. Step 4: Simplify right side
    38,053.92x = 1,105,780,154.04
  5. Step 5: Solve for x
    x = 1,105,780,154.04/38,053.92
  6. Step 6: Final answer
    x = 29,058.25

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Half scale
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Double scale
Find fourth proportional to 38,054.92, 52,515.34 and 21,057.88
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.