Home / 40,910.20-61,350.90-14,615.80

Finding the Fourth Proportional to 40,910.20, 61,350.90 and 14,615.80

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Solution

The fourth proportional to 40,910.20, 61,350.90 and 14,615.80 is: 21,918.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910.20 : 61,350.90 = 14,615.80 : x
  2. Step 2: Convert to fraction form
    40,910.20/61,350.90 = 14,615.80/x
  3. Step 3: Cross multiply
    40,910.20x = 61,350.90 × 14,615.80
  4. Step 4: Simplify right side
    40,910.20x = 896,692,484.22
  5. Step 5: Solve for x
    x = 896,692,484.22/40,910.20
  6. Step 6: Final answer
    x = 21,918.56

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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.