Home / 49,182.12-67,869.30-29,045.47

Finding the Fourth Proportional to 49,182.12, 67,869.30 and 29,045.47

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Solution

The fourth proportional to 49,182.12, 67,869.30 and 29,045.47 is: 40,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,182.12 : 67,869.30 = 29,045.47 : x
  2. Step 2: Convert to fraction form
    49,182.12/67,869.30 = 29,045.47/x
  3. Step 3: Cross multiply
    49,182.12x = 67,869.30 × 29,045.47
  4. Step 4: Simplify right side
    49,182.12x = 1,971,295,717.07
  5. Step 5: Solve for x
    x = 1,971,295,717.07/49,182.12
  6. Step 6: Final answer
    x = 40,081.55

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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.