Home / 40,920.20-61,365.90-14,625.80

Finding the Fourth Proportional to 40,920.20, 61,365.90 and 14,625.80

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Solution

The fourth proportional to 40,920.20, 61,365.90 and 14,625.80 is: 21,933.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,920.20 : 61,365.90 = 14,625.80 : x
  2. Step 2: Convert to fraction form
    40,920.20/61,365.90 = 14,625.80/x
  3. Step 3: Cross multiply
    40,920.20x = 61,365.90 × 14,625.80
  4. Step 4: Simplify right side
    40,920.20x = 897,525,380.22
  5. Step 5: Solve for x
    x = 897,525,380.22/40,920.20
  6. Step 6: Final answer
    x = 21,933.55

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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.