Home / 31,521.87-43,500.17-17,374.95

Finding the Fourth Proportional to 31,521.87, 43,500.17 and 17,374.95

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Solution

The fourth proportional to 31,521.87, 43,500.17 and 17,374.95 is: 23,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.87 : 43,500.17 = 17,374.95 : x
  2. Step 2: Convert to fraction form
    31,521.87/43,500.17 = 17,374.95/x
  3. Step 3: Cross multiply
    31,521.87x = 43,500.17 × 17,374.95
  4. Step 4: Simplify right side
    31,521.87x = 755,813,322.18
  5. Step 5: Solve for x
    x = 755,813,322.18/31,521.87
  6. Step 6: Final answer
    x = 23,977.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.