Home / 56,927.76-78,562.96-31,437.72

Finding the Fourth Proportional to 56,927.76, 78,562.96 and 31,437.72

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Solution

The fourth proportional to 56,927.76, 78,562.96 and 31,437.72 is: 43,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,927.76 : 78,562.96 = 31,437.72 : x
  2. Step 2: Convert to fraction form
    56,927.76/78,562.96 = 31,437.72/x
  3. Step 3: Cross multiply
    56,927.76x = 78,562.96 × 31,437.72
  4. Step 4: Simplify right side
    56,927.76x = 2,469,840,338.85
  5. Step 5: Solve for x
    x = 2,469,840,338.85/56,927.76
  6. Step 6: Final answer
    x = 43,385.52

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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.