Home / 38,299.74-57,445.02-10,221.90

Finding the Fourth Proportional to 38,299.74, 57,445.02 and 10,221.90

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Solution

The fourth proportional to 38,299.74, 57,445.02 and 10,221.90 is: 15,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,299.74 : 57,445.02 = 10,221.90 : x
  2. Step 2: Convert to fraction form
    38,299.74/57,445.02 = 10,221.90/x
  3. Step 3: Cross multiply
    38,299.74x = 57,445.02 × 10,221.90
  4. Step 4: Simplify right side
    38,299.74x = 587,197,249.94
  5. Step 5: Solve for x
    x = 587,197,249.94/38,299.74
  6. Step 6: Final answer
    x = 15,331.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.