Home / 31,532.64-43,516.92-17,385.40

Finding the Fourth Proportional to 31,532.64, 43,516.92 and 17,385.40

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Solution

The fourth proportional to 31,532.64, 43,516.92 and 17,385.40 is: 23,992.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.64 : 43,516.92 = 17,385.40 : x
  2. Step 2: Convert to fraction form
    31,532.64/43,516.92 = 17,385.40/x
  3. Step 3: Cross multiply
    31,532.64x = 43,516.92 × 17,385.40
  4. Step 4: Simplify right side
    31,532.64x = 756,559,060.97
  5. Step 5: Solve for x
    x = 756,559,060.97/31,532.64
  6. Step 6: Final answer
    x = 23,992.89

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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.