Home / 56,252.75-77,630.42-31,103.87

Finding the Fourth Proportional to 56,252.75, 77,630.42 and 31,103.87

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Solution

The fourth proportional to 56,252.75, 77,630.42 and 31,103.87 is: 42,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,252.75 : 77,630.42 = 31,103.87 : x
  2. Step 2: Convert to fraction form
    56,252.75/77,630.42 = 31,103.87/x
  3. Step 3: Cross multiply
    56,252.75x = 77,630.42 × 31,103.87
  4. Step 4: Simplify right side
    56,252.75x = 2,414,606,491.73
  5. Step 5: Solve for x
    x = 2,414,606,491.73/56,252.75
  6. Step 6: Final answer
    x = 42,924.24

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1.5x scale

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.