Home / 56,527.20-78,001.92-31,374

Finding the Fourth Proportional to 56,527.20, 78,001.92 and 31,374

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Solution

The fourth proportional to 56,527.20, 78,001.92 and 31,374 is: 43,293.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.20 : 78,001.92 = 31,374 : x
  2. Step 2: Convert to fraction form
    56,527.20/78,001.92 = 31,374/x
  3. Step 3: Cross multiply
    56,527.20x = 78,001.92 × 31,374
  4. Step 4: Simplify right side
    56,527.20x = 2,447,232,238.08
  5. Step 5: Solve for x
    x = 2,447,232,238.08/56,527.20
  6. Step 6: Final answer
    x = 43,293.00

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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.