Home / 43,678.32-65,517.48-20,292

Finding the Fourth Proportional to 43,678.32, 65,517.48 and 20,292

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Solution

The fourth proportional to 43,678.32, 65,517.48 and 20,292 is: 30,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678.32 : 65,517.48 = 20,292 : x
  2. Step 2: Convert to fraction form
    43,678.32/65,517.48 = 20,292/x
  3. Step 3: Cross multiply
    43,678.32x = 65,517.48 × 20,292
  4. Step 4: Simplify right side
    43,678.32x = 1,329,480,704.16
  5. Step 5: Solve for x
    x = 1,329,480,704.16/43,678.32
  6. Step 6: Final answer
    x = 30,438.00

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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.