Home / 31,529.16-43,511.85-17,381.97

Finding the Fourth Proportional to 31,529.16, 43,511.85 and 17,381.97

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Solution

The fourth proportional to 31,529.16, 43,511.85 and 17,381.97 is: 23,988.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.16 : 43,511.85 = 17,381.97 : x
  2. Step 2: Convert to fraction form
    31,529.16/43,511.85 = 17,381.97/x
  3. Step 3: Cross multiply
    31,529.16x = 43,511.85 × 17,381.97
  4. Step 4: Simplify right side
    31,529.16x = 756,321,671.34
  5. Step 5: Solve for x
    x = 756,321,671.34/31,529.16
  6. Step 6: Final answer
    x = 23,988.01

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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.