Home / 38,019.08-52,465.44-21,022.88

Finding the Fourth Proportional to 38,019.08, 52,465.44 and 21,022.88

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Solution

The fourth proportional to 38,019.08, 52,465.44 and 21,022.88 is: 29,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,019.08 : 52,465.44 = 21,022.88 : x
  2. Step 2: Convert to fraction form
    38,019.08/52,465.44 = 21,022.88/x
  3. Step 3: Cross multiply
    38,019.08x = 52,465.44 × 21,022.88
  4. Step 4: Simplify right side
    38,019.08x = 1,102,974,649.27
  5. Step 5: Solve for x
    x = 1,102,974,649.27/38,019.08
  6. Step 6: Final answer
    x = 29,011.08

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Half scale
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Double scale
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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.