Home / 48,931.34-73,389.11-13,862.79

Finding the Fourth Proportional to 48,931.34, 73,389.11 and 13,862.79

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Solution

The fourth proportional to 48,931.34, 73,389.11 and 13,862.79 is: 20,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.34 : 73,389.11 = 13,862.79 : x
  2. Step 2: Convert to fraction form
    48,931.34/73,389.11 = 13,862.79/x
  3. Step 3: Cross multiply
    48,931.34x = 73,389.11 × 13,862.79
  4. Step 4: Simplify right side
    48,931.34x = 1,017,377,750.90
  5. Step 5: Solve for x
    x = 1,017,377,750.90/48,931.34
  6. Step 6: Final answer
    x = 20,791.95

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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.