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Finding the Fourth Proportional to 60,831.52, 91,409.28 and 32,773.12

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Solution

The fourth proportional to 60,831.52, 91,409.28 and 32,773.12 is: 49,246.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.52 : 91,409.28 = 32,773.12 : x
  2. Step 2: Convert to fraction form
    60,831.52/91,409.28 = 32,773.12/x
  3. Step 3: Cross multiply
    60,831.52x = 91,409.28 × 32,773.12
  4. Step 4: Simplify right side
    60,831.52x = 2,995,767,302.55
  5. Step 5: Solve for x
    x = 2,995,767,302.55/60,831.52
  6. Step 6: Final answer
    x = 49,246.96

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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.