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Finding the Fourth Proportional to 40,264, 60,413.06 and 21,539.13

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Solution

The fourth proportional to 40,264, 60,413.06 and 21,539.13 is: 32,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,264 : 60,413.06 = 21,539.13 : x
  2. Step 2: Convert to fraction form
    40,264/60,413.06 = 21,539.13/x
  3. Step 3: Cross multiply
    40,264x = 60,413.06 × 21,539.13
  4. Step 4: Simplify right side
    40,264x = 1,301,244,753.04
  5. Step 5: Solve for x
    x = 1,301,244,753.04/40,264
  6. Step 6: Final answer
    x = 32,317.82

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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.