Home / 38,139.60-57,204.53-10,061.76

Finding the Fourth Proportional to 38,139.60, 57,204.53 and 10,061.76

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Solution

The fourth proportional to 38,139.60, 57,204.53 and 10,061.76 is: 15,091.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,139.60 : 57,204.53 = 10,061.76 : x
  2. Step 2: Convert to fraction form
    38,139.60/57,204.53 = 10,061.76/x
  3. Step 3: Cross multiply
    38,139.60x = 57,204.53 × 10,061.76
  4. Step 4: Simplify right side
    38,139.60x = 575,578,453.71
  5. Step 5: Solve for x
    x = 575,578,453.71/38,139.60
  6. Step 6: Final answer
    x = 15,091.36

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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.