Home / 44,295.40-66,462.30-20,909.80

Finding the Fourth Proportional to 44,295.40, 66,462.30 and 20,909.80

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Solution

The fourth proportional to 44,295.40, 66,462.30 and 20,909.80 is: 31,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,295.40 : 66,462.30 = 20,909.80 : x
  2. Step 2: Convert to fraction form
    44,295.40/66,462.30 = 20,909.80/x
  3. Step 3: Cross multiply
    44,295.40x = 66,462.30 × 20,909.80
  4. Step 4: Simplify right side
    44,295.40x = 1,389,713,400.54
  5. Step 5: Solve for x
    x = 1,389,713,400.54/44,295.40
  6. Step 6: Final answer
    x = 31,373.76

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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.