Home / 31,862.11-47,717.16-18,506.83

Finding the Fourth Proportional to 31,862.11, 47,717.16 and 18,506.83

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Solution

The fourth proportional to 31,862.11, 47,717.16 and 18,506.83 is: 27,716.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.11 : 47,717.16 = 18,506.83 : x
  2. Step 2: Convert to fraction form
    31,862.11/47,717.16 = 18,506.83/x
  3. Step 3: Cross multiply
    31,862.11x = 47,717.16 × 18,506.83
  4. Step 4: Simplify right side
    31,862.11x = 883,093,368.20
  5. Step 5: Solve for x
    x = 883,093,368.20/31,862.11
  6. Step 6: Final answer
    x = 27,716.10

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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.