Home / 61,359.68-84,649.92-38,680.76

Finding the Fourth Proportional to 61,359.68, 84,649.92 and 38,680.76

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Solution

The fourth proportional to 61,359.68, 84,649.92 and 38,680.76 is: 53,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.68 : 84,649.92 = 38,680.76 : x
  2. Step 2: Convert to fraction form
    61,359.68/84,649.92 = 38,680.76/x
  3. Step 3: Cross multiply
    61,359.68x = 84,649.92 × 38,680.76
  4. Step 4: Simplify right side
    61,359.68x = 3,274,323,239.54
  5. Step 5: Solve for x
    x = 3,274,323,239.54/61,359.68
  6. Step 6: Final answer
    x = 53,362.78

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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.