Home / 48,240.15-72,349.29-21,572.12

Finding the Fourth Proportional to 48,240.15, 72,349.29 and 21,572.12

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Solution

The fourth proportional to 48,240.15, 72,349.29 and 21,572.12 is: 32,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.15 : 72,349.29 = 21,572.12 : x
  2. Step 2: Convert to fraction form
    48,240.15/72,349.29 = 21,572.12/x
  3. Step 3: Cross multiply
    48,240.15x = 72,349.29 × 21,572.12
  4. Step 4: Simplify right side
    48,240.15x = 1,560,727,204.05
  5. Step 5: Solve for x
    x = 1,560,727,204.05/48,240.15
  6. Step 6: Final answer
    x = 32,353.28

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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.