Home / 48,407.18-72,582.05-18,423.68

Finding the Fourth Proportional to 48,407.18, 72,582.05 and 18,423.68

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Solution

The fourth proportional to 48,407.18, 72,582.05 and 18,423.68 is: 27,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,407.18 : 72,582.05 = 18,423.68 : x
  2. Step 2: Convert to fraction form
    48,407.18/72,582.05 = 18,423.68/x
  3. Step 3: Cross multiply
    48,407.18x = 72,582.05 × 18,423.68
  4. Step 4: Simplify right side
    48,407.18x = 1,337,228,007.92
  5. Step 5: Solve for x
    x = 1,337,228,007.92/48,407.18
  6. Step 6: Final answer
    x = 27,624.58

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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.