Home / 43,488.91-65,241.56-13,898.80

Finding the Fourth Proportional to 43,488.91, 65,241.56 and 13,898.80

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Solution

The fourth proportional to 43,488.91, 65,241.56 and 13,898.80 is: 20,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.91 : 65,241.56 = 13,898.80 : x
  2. Step 2: Convert to fraction form
    43,488.91/65,241.56 = 13,898.80/x
  3. Step 3: Cross multiply
    43,488.91x = 65,241.56 × 13,898.80
  4. Step 4: Simplify right side
    43,488.91x = 906,779,394.13
  5. Step 5: Solve for x
    x = 906,779,394.13/43,488.91
  6. Step 6: Final answer
    x = 20,850.82

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1.5x scale

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.