Home / 49,479.39-74,213.15-13,943.37

Finding the Fourth Proportional to 49,479.39, 74,213.15 and 13,943.37

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Solution

The fourth proportional to 49,479.39, 74,213.15 and 13,943.37 is: 20,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,479.39 : 74,213.15 = 13,943.37 : x
  2. Step 2: Convert to fraction form
    49,479.39/74,213.15 = 13,943.37/x
  3. Step 3: Cross multiply
    49,479.39x = 74,213.15 × 13,943.37
  4. Step 4: Simplify right side
    49,479.39x = 1,034,781,617.90
  5. Step 5: Solve for x
    x = 1,034,781,617.90/49,479.39
  6. Step 6: Final answer
    x = 20,913.39

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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.