Home / 39,959.12-59,938.79-10,377.20

Finding the Fourth Proportional to 39,959.12, 59,938.79 and 10,377.20

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Solution

The fourth proportional to 39,959.12, 59,938.79 and 10,377.20 is: 15,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.12 : 59,938.79 = 10,377.20 : x
  2. Step 2: Convert to fraction form
    39,959.12/59,938.79 = 10,377.20/x
  3. Step 3: Cross multiply
    39,959.12x = 59,938.79 × 10,377.20
  4. Step 4: Simplify right side
    39,959.12x = 621,996,811.59
  5. Step 5: Solve for x
    x = 621,996,811.59/39,959.12
  6. Step 6: Final answer
    x = 15,565.83

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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.