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Finding the Fourth Proportional to 58,995.60, 81,413.40 and 32,138.02

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Solution

The fourth proportional to 58,995.60, 81,413.40 and 32,138.02 is: 44,350.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,995.60 : 81,413.40 = 32,138.02 : x
  2. Step 2: Convert to fraction form
    58,995.60/81,413.40 = 32,138.02/x
  3. Step 3: Cross multiply
    58,995.60x = 81,413.40 × 32,138.02
  4. Step 4: Simplify right side
    58,995.60x = 2,616,465,477.47
  5. Step 5: Solve for x
    x = 2,616,465,477.47/58,995.60
  6. Step 6: Final answer
    x = 44,350.18

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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.