Home / 56,906.60-78,535.46-31,417.88

Finding the Fourth Proportional to 56,906.60, 78,535.46 and 31,417.88

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Solution

The fourth proportional to 56,906.60, 78,535.46 and 31,417.88 is: 43,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.60 : 78,535.46 = 31,417.88 : x
  2. Step 2: Convert to fraction form
    56,906.60/78,535.46 = 31,417.88/x
  3. Step 3: Cross multiply
    56,906.60x = 78,535.46 × 31,417.88
  4. Step 4: Simplify right side
    56,906.60x = 2,467,417,932.91
  5. Step 5: Solve for x
    x = 2,467,417,932.91/56,906.60
  6. Step 6: Final answer
    x = 43,359.08

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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.