Home / 57,083.30-78,773.02-31,590.74

Finding the Fourth Proportional to 57,083.30, 78,773.02 and 31,590.74

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Solution

The fourth proportional to 57,083.30, 78,773.02 and 31,590.74 is: 43,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.30 : 78,773.02 = 31,590.74 : x
  2. Step 2: Convert to fraction form
    57,083.30/78,773.02 = 31,590.74/x
  3. Step 3: Cross multiply
    57,083.30x = 78,773.02 × 31,590.74
  4. Step 4: Simplify right side
    57,083.30x = 2,488,498,111.79
  5. Step 5: Solve for x
    x = 2,488,498,111.79/57,083.30
  6. Step 6: Final answer
    x = 43,594.15

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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.