Home / 56,423.88-77,687.37-42,951.96

Finding the Fourth Proportional to 56,423.88, 77,687.37 and 42,951.96

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Solution

The fourth proportional to 56,423.88, 77,687.37 and 42,951.96 is: 59,138.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.88 : 77,687.37 = 42,951.96 : x
  2. Step 2: Convert to fraction form
    56,423.88/77,687.37 = 42,951.96/x
  3. Step 3: Cross multiply
    56,423.88x = 77,687.37 × 42,951.96
  4. Step 4: Simplify right side
    56,423.88x = 3,336,824,808.75
  5. Step 5: Solve for x
    x = 3,336,824,808.75/56,423.88
  6. Step 6: Final answer
    x = 59,138.52

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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.