Home / 56,232.30-84,319.76-18,778.88

Finding the Fourth Proportional to 56,232.30, 84,319.76 and 18,778.88

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Solution

The fourth proportional to 56,232.30, 84,319.76 and 18,778.88 is: 28,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,232.30 : 84,319.76 = 18,778.88 : x
  2. Step 2: Convert to fraction form
    56,232.30/84,319.76 = 18,778.88/x
  3. Step 3: Cross multiply
    56,232.30x = 84,319.76 × 18,778.88
  4. Step 4: Simplify right side
    56,232.30x = 1,583,430,654.67
  5. Step 5: Solve for x
    x = 1,583,430,654.67/56,232.30
  6. Step 6: Final answer
    x = 28,158.74

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1.5x scale

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.