Home / 43,710.38-65,565.62-18,734.22

Finding the Fourth Proportional to 43,710.38, 65,565.62 and 18,734.22

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Solution

The fourth proportional to 43,710.38, 65,565.62 and 18,734.22 is: 28,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,710.38 : 65,565.62 = 18,734.22 : x
  2. Step 2: Convert to fraction form
    43,710.38/65,565.62 = 18,734.22/x
  3. Step 3: Cross multiply
    43,710.38x = 65,565.62 × 18,734.22
  4. Step 4: Simplify right side
    43,710.38x = 1,228,320,749.52
  5. Step 5: Solve for x
    x = 1,228,320,749.52/43,710.38
  6. Step 6: Final answer
    x = 28,101.35

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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.