Home / 49,328.26-68,073.13-31,419.43

Finding the Fourth Proportional to 49,328.26, 68,073.13 and 31,419.43

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Solution

The fourth proportional to 49,328.26, 68,073.13 and 31,419.43 is: 43,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,328.26 : 68,073.13 = 31,419.43 : x
  2. Step 2: Convert to fraction form
    49,328.26/68,073.13 = 31,419.43/x
  3. Step 3: Cross multiply
    49,328.26x = 68,073.13 × 31,419.43
  4. Step 4: Simplify right side
    49,328.26x = 2,138,818,602.55
  5. Step 5: Solve for x
    x = 2,138,818,602.55/49,328.26
  6. Step 6: Final answer
    x = 43,358.89

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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.