Home / 38,340.64-57,413.04-30,560.80

Finding the Fourth Proportional to 38,340.64, 57,413.04 and 30,560.80

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Solution

The fourth proportional to 38,340.64, 57,413.04 and 30,560.80 is: 45,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,340.64 : 57,413.04 = 30,560.80 : x
  2. Step 2: Convert to fraction form
    38,340.64/57,413.04 = 30,560.80/x
  3. Step 3: Cross multiply
    38,340.64x = 57,413.04 × 30,560.80
  4. Step 4: Simplify right side
    38,340.64x = 1,754,588,432.83
  5. Step 5: Solve for x
    x = 1,754,588,432.83/38,340.64
  6. Step 6: Final answer
    x = 45,763.15

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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.