Home / 60,778.76-91,177.25-21,328.92

Finding the Fourth Proportional to 60,778.76, 91,177.25 and 21,328.92

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Solution

The fourth proportional to 60,778.76, 91,177.25 and 21,328.92 is: 31,996.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,778.76 : 91,177.25 = 21,328.92 : x
  2. Step 2: Convert to fraction form
    60,778.76/91,177.25 = 21,328.92/x
  3. Step 3: Cross multiply
    60,778.76x = 91,177.25 × 21,328.92
  4. Step 4: Simplify right side
    60,778.76x = 1,944,712,164.43
  5. Step 5: Solve for x
    x = 1,944,712,164.43/60,778.76
  6. Step 6: Final answer
    x = 31,996.58

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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.