Home / 41,154.66-61,710.98-18,948.78

Finding the Fourth Proportional to 41,154.66, 61,710.98 and 18,948.78

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Solution

The fourth proportional to 41,154.66, 61,710.98 and 18,948.78 is: 28,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,154.66 : 61,710.98 = 18,948.78 : x
  2. Step 2: Convert to fraction form
    41,154.66/61,710.98 = 18,948.78/x
  3. Step 3: Cross multiply
    41,154.66x = 61,710.98 × 18,948.78
  4. Step 4: Simplify right side
    41,154.66x = 1,169,347,688.86
  5. Step 5: Solve for x
    x = 1,169,347,688.86/41,154.66
  6. Step 6: Final answer
    x = 28,413.49

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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.