Home / 62,140.18-85,759.41-38,280.82

Finding the Fourth Proportional to 62,140.18, 85,759.41 and 38,280.82

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Solution

The fourth proportional to 62,140.18, 85,759.41 and 38,280.82 is: 52,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.18 : 85,759.41 = 38,280.82 : x
  2. Step 2: Convert to fraction form
    62,140.18/85,759.41 = 38,280.82/x
  3. Step 3: Cross multiply
    62,140.18x = 85,759.41 × 38,280.82
  4. Step 4: Simplify right side
    62,140.18x = 3,282,940,537.52
  5. Step 5: Solve for x
    x = 3,282,940,537.52/62,140.18
  6. Step 6: Final answer
    x = 52,831.20

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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.