Home / 31,242.60-43,113.71-17,818.17

Finding the Fourth Proportional to 31,242.60, 43,113.71 and 17,818.17

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Solution

The fourth proportional to 31,242.60, 43,113.71 and 17,818.17 is: 24,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.60 : 43,113.71 = 17,818.17 : x
  2. Step 2: Convert to fraction form
    31,242.60/43,113.71 = 17,818.17/x
  3. Step 3: Cross multiply
    31,242.60x = 43,113.71 × 17,818.17
  4. Step 4: Simplify right side
    31,242.60x = 768,207,414.11
  5. Step 5: Solve for x
    x = 768,207,414.11/31,242.60
  6. Step 6: Final answer
    x = 24,588.46

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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.