Home / 48,319.28-72,475.68-13,256

Finding the Fourth Proportional to 48,319.28, 72,475.68 and 13,256

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Solution

The fourth proportional to 48,319.28, 72,475.68 and 13,256 is: 19,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,319.28 : 72,475.68 = 13,256 : x
  2. Step 2: Convert to fraction form
    48,319.28/72,475.68 = 13,256/x
  3. Step 3: Cross multiply
    48,319.28x = 72,475.68 × 13,256
  4. Step 4: Simplify right side
    48,319.28x = 960,737,614.08
  5. Step 5: Solve for x
    x = 960,737,614.08/48,319.28
  6. Step 6: Final answer
    x = 19,883.11

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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.