Home / 56,235.04-84,360-20,691.52

Finding the Fourth Proportional to 56,235.04, 84,360 and 20,691.52

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Solution

The fourth proportional to 56,235.04, 84,360 and 20,691.52 is: 31,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,235.04 : 84,360 = 20,691.52 : x
  2. Step 2: Convert to fraction form
    56,235.04/84,360 = 20,691.52/x
  3. Step 3: Cross multiply
    56,235.04x = 84,360 × 20,691.52
  4. Step 4: Simplify right side
    56,235.04x = 1,745,536,627.20
  5. Step 5: Solve for x
    x = 1,745,536,627.20/56,235.04
  6. Step 6: Final answer
    x = 31,040.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.