Home / 30,331.19-41,857.21-17,591.92

Finding the Fourth Proportional to 30,331.19, 41,857.21 and 17,591.92

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Solution

The fourth proportional to 30,331.19, 41,857.21 and 17,591.92 is: 24,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.19 : 41,857.21 = 17,591.92 : x
  2. Step 2: Convert to fraction form
    30,331.19/41,857.21 = 17,591.92/x
  3. Step 3: Cross multiply
    30,331.19x = 41,857.21 × 17,591.92
  4. Step 4: Simplify right side
    30,331.19x = 736,348,689.74
  5. Step 5: Solve for x
    x = 736,348,689.74/30,331.19
  6. Step 6: Final answer
    x = 24,276.95

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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.