Home / 38,053.58-52,513.15-21,057.81

Finding the Fourth Proportional to 38,053.58, 52,513.15 and 21,057.81

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Solution

The fourth proportional to 38,053.58, 52,513.15 and 21,057.81 is: 29,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,053.58 : 52,513.15 = 21,057.81 : x
  2. Step 2: Convert to fraction form
    38,053.58/52,513.15 = 21,057.81/x
  3. Step 3: Cross multiply
    38,053.58x = 52,513.15 × 21,057.81
  4. Step 4: Simplify right side
    38,053.58x = 1,105,811,769.35
  5. Step 5: Solve for x
    x = 1,105,811,769.35/38,053.58
  6. Step 6: Final answer
    x = 29,059.34

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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.