Home / 48,649.16-72,952.68-20,581.76

Finding the Fourth Proportional to 48,649.16, 72,952.68 and 20,581.76

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Solution

The fourth proportional to 48,649.16, 72,952.68 and 20,581.76 is: 30,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,649.16 : 72,952.68 = 20,581.76 : x
  2. Step 2: Convert to fraction form
    48,649.16/72,952.68 = 20,581.76/x
  3. Step 3: Cross multiply
    48,649.16x = 72,952.68 × 20,581.76
  4. Step 4: Simplify right side
    48,649.16x = 1,501,494,551.12
  5. Step 5: Solve for x
    x = 1,501,494,551.12/48,649.16
  6. Step 6: Final answer
    x = 30,863.73

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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.