Home / 42,724.40-64,000.20-24,234.80

Finding the Fourth Proportional to 42,724.40, 64,000.20 and 24,234.80

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Solution

The fourth proportional to 42,724.40, 64,000.20 and 24,234.80 is: 36,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.40 : 64,000.20 = 24,234.80 : x
  2. Step 2: Convert to fraction form
    42,724.40/64,000.20 = 24,234.80/x
  3. Step 3: Cross multiply
    42,724.40x = 64,000.20 × 24,234.80
  4. Step 4: Simplify right side
    42,724.40x = 1,551,032,046.96
  5. Step 5: Solve for x
    x = 1,551,032,046.96/42,724.40
  6. Step 6: Final answer
    x = 36,303.19

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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.