Home / 49,633-74,407.66-21,531.89

Finding the Fourth Proportional to 49,633, 74,407.66 and 21,531.89

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Solution

The fourth proportional to 49,633, 74,407.66 and 21,531.89 is: 32,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,633 : 74,407.66 = 21,531.89 : x
  2. Step 2: Convert to fraction form
    49,633/74,407.66 = 21,531.89/x
  3. Step 3: Cross multiply
    49,633x = 74,407.66 × 21,531.89
  4. Step 4: Simplify right side
    49,633x = 1,602,137,550.28
  5. Step 5: Solve for x
    x = 1,602,137,550.28/49,633
  6. Step 6: Final answer
    x = 32,279.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.