Home / 56,917.52-78,546.30-31,423.93

Finding the Fourth Proportional to 56,917.52, 78,546.30 and 31,423.93

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Solution

The fourth proportional to 56,917.52, 78,546.30 and 31,423.93 is: 43,365.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917.52 : 78,546.30 = 31,423.93 : x
  2. Step 2: Convert to fraction form
    56,917.52/78,546.30 = 31,423.93/x
  3. Step 3: Cross multiply
    56,917.52x = 78,546.30 × 31,423.93
  4. Step 4: Simplify right side
    56,917.52x = 2,468,233,432.96
  5. Step 5: Solve for x
    x = 2,468,233,432.96/56,917.52
  6. Step 6: Final answer
    x = 43,365.09

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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.