Home / 51,957.53-71,702.19-30,442.13

Finding the Fourth Proportional to 51,957.53, 71,702.19 and 30,442.13

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Solution

The fourth proportional to 51,957.53, 71,702.19 and 30,442.13 is: 42,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,957.53 : 71,702.19 = 30,442.13 : x
  2. Step 2: Convert to fraction form
    51,957.53/71,702.19 = 30,442.13/x
  3. Step 3: Cross multiply
    51,957.53x = 71,702.19 × 30,442.13
  4. Step 4: Simplify right side
    51,957.53x = 2,182,767,413.79
  5. Step 5: Solve for x
    x = 2,182,767,413.79/51,957.53
  6. Step 6: Final answer
    x = 42,010.61

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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.