Home / 31,397.63-43,328.72-17,251.38

Finding the Fourth Proportional to 31,397.63, 43,328.72 and 17,251.38

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Solution

The fourth proportional to 31,397.63, 43,328.72 and 17,251.38 is: 23,806.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.63 : 43,328.72 = 17,251.38 : x
  2. Step 2: Convert to fraction form
    31,397.63/43,328.72 = 17,251.38/x
  3. Step 3: Cross multiply
    31,397.63x = 43,328.72 × 17,251.38
  4. Step 4: Simplify right side
    31,397.63x = 747,480,256.76
  5. Step 5: Solve for x
    x = 747,480,256.76/31,397.63
  6. Step 6: Final answer
    x = 23,806.90

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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.