Home / 31,862.95-47,800.17-13,132.58

Finding the Fourth Proportional to 31,862.95, 47,800.17 and 13,132.58

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Solution

The fourth proportional to 31,862.95, 47,800.17 and 13,132.58 is: 19,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.95 : 47,800.17 = 13,132.58 : x
  2. Step 2: Convert to fraction form
    31,862.95/47,800.17 = 13,132.58/x
  3. Step 3: Cross multiply
    31,862.95x = 47,800.17 × 13,132.58
  4. Step 4: Simplify right side
    31,862.95x = 627,739,317.54
  5. Step 5: Solve for x
    x = 627,739,317.54/31,862.95
  6. Step 6: Final answer
    x = 19,701.23

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1.5x scale

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.