Home / 52,451.86-78,746.38-31,143.47

Finding the Fourth Proportional to 52,451.86, 78,746.38 and 31,143.47

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Solution

The fourth proportional to 52,451.86, 78,746.38 and 31,143.47 is: 46,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.86 : 78,746.38 = 31,143.47 : x
  2. Step 2: Convert to fraction form
    52,451.86/78,746.38 = 31,143.47/x
  3. Step 3: Cross multiply
    52,451.86x = 78,746.38 × 31,143.47
  4. Step 4: Simplify right side
    52,451.86x = 2,452,435,523.14
  5. Step 5: Solve for x
    x = 2,452,435,523.14/52,451.86
  6. Step 6: Final answer
    x = 46,755.93

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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.