Home / 48,418.48-72,631.90-13,358.13

Finding the Fourth Proportional to 48,418.48, 72,631.90 and 13,358.13

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Solution

The fourth proportional to 48,418.48, 72,631.90 and 13,358.13 is: 20,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418.48 : 72,631.90 = 13,358.13 : x
  2. Step 2: Convert to fraction form
    48,418.48/72,631.90 = 13,358.13/x
  3. Step 3: Cross multiply
    48,418.48x = 72,631.90 × 13,358.13
  4. Step 4: Simplify right side
    48,418.48x = 970,226,295.56
  5. Step 5: Solve for x
    x = 970,226,295.56/48,418.48
  6. Step 6: Final answer
    x = 20,038.35

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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.