Home / 43,764.60-65,501.10-38,515.80

Finding the Fourth Proportional to 43,764.60, 65,501.10 and 38,515.80

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Solution

The fourth proportional to 43,764.60, 65,501.10 and 38,515.80 is: 57,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,764.60 : 65,501.10 = 38,515.80 : x
  2. Step 2: Convert to fraction form
    43,764.60/65,501.10 = 38,515.80/x
  3. Step 3: Cross multiply
    43,764.60x = 65,501.10 × 38,515.80
  4. Step 4: Simplify right side
    43,764.60x = 2,522,827,267.38
  5. Step 5: Solve for x
    x = 2,522,827,267.38/43,764.60
  6. Step 6: Final answer
    x = 57,645.39

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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.