Home / 59,787.32-89,686.15-15,413.70

Finding the Fourth Proportional to 59,787.32, 89,686.15 and 15,413.70

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Solution

The fourth proportional to 59,787.32, 89,686.15 and 15,413.70 is: 23,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,787.32 : 89,686.15 = 15,413.70 : x
  2. Step 2: Convert to fraction form
    59,787.32/89,686.15 = 15,413.70/x
  3. Step 3: Cross multiply
    59,787.32x = 89,686.15 × 15,413.70
  4. Step 4: Simplify right side
    59,787.32x = 1,382,395,455.80
  5. Step 5: Solve for x
    x = 1,382,395,455.80/59,787.32
  6. Step 6: Final answer
    x = 23,121.88

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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.