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Finding the Fourth Proportional to 52,472.59, 72,413.87 and 29,811.17

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Solution

The fourth proportional to 52,472.59, 72,413.87 and 29,811.17 is: 41,140.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,472.59 : 72,413.87 = 29,811.17 : x
  2. Step 2: Convert to fraction form
    52,472.59/72,413.87 = 29,811.17/x
  3. Step 3: Cross multiply
    52,472.59x = 72,413.87 × 29,811.17
  4. Step 4: Simplify right side
    52,472.59x = 2,158,742,188.93
  5. Step 5: Solve for x
    x = 2,158,742,188.93/52,472.59
  6. Step 6: Final answer
    x = 41,140.38

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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.