Home / 56,140.98-84,211.86-38,557.50

Finding the Fourth Proportional to 56,140.98, 84,211.86 and 38,557.50

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Solution

The fourth proportional to 56,140.98, 84,211.86 and 38,557.50 is: 57,836.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.98 : 84,211.86 = 38,557.50 : x
  2. Step 2: Convert to fraction form
    56,140.98/84,211.86 = 38,557.50/x
  3. Step 3: Cross multiply
    56,140.98x = 84,211.86 × 38,557.50
  4. Step 4: Simplify right side
    56,140.98x = 3,246,998,791.95
  5. Step 5: Solve for x
    x = 3,246,998,791.95/56,140.98
  6. Step 6: Final answer
    x = 57,836.52

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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.