Home / 43,930.48-65,902.15-13,934.71

Finding the Fourth Proportional to 43,930.48, 65,902.15 and 13,934.71

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Solution

The fourth proportional to 43,930.48, 65,902.15 and 13,934.71 is: 20,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,930.48 : 65,902.15 = 13,934.71 : x
  2. Step 2: Convert to fraction form
    43,930.48/65,902.15 = 13,934.71/x
  3. Step 3: Cross multiply
    43,930.48x = 65,902.15 × 13,934.71
  4. Step 4: Simplify right side
    43,930.48x = 918,327,348.63
  5. Step 5: Solve for x
    x = 918,327,348.63/43,930.48
  6. Step 6: Final answer
    x = 20,904.10

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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.