Home / 43,869.22-65,812.71-14,279.11

Finding the Fourth Proportional to 43,869.22, 65,812.71 and 14,279.11

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Solution

The fourth proportional to 43,869.22, 65,812.71 and 14,279.11 is: 21,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869.22 : 65,812.71 = 14,279.11 : x
  2. Step 2: Convert to fraction form
    43,869.22/65,812.71 = 14,279.11/x
  3. Step 3: Cross multiply
    43,869.22x = 65,812.71 × 14,279.11
  4. Step 4: Simplify right side
    43,869.22x = 939,746,854.09
  5. Step 5: Solve for x
    x = 939,746,854.09/43,869.22
  6. Step 6: Final answer
    x = 21,421.55

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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.