Home / 47,854.19-71,781.29-12,792.94

Finding the Fourth Proportional to 47,854.19, 71,781.29 and 12,792.94

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Solution

The fourth proportional to 47,854.19, 71,781.29 and 12,792.94 is: 19,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.19 : 71,781.29 = 12,792.94 : x
  2. Step 2: Convert to fraction form
    47,854.19/71,781.29 = 12,792.94/x
  3. Step 3: Cross multiply
    47,854.19x = 71,781.29 × 12,792.94
  4. Step 4: Simplify right side
    47,854.19x = 918,293,540.65
  5. Step 5: Solve for x
    x = 918,293,540.65/47,854.19
  6. Step 6: Final answer
    x = 19,189.41

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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.