Home / 20,271.48-30,407.22-14,759.90

Finding the Fourth Proportional to 20,271.48, 30,407.22 and 14,759.90

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Solution

The fourth proportional to 20,271.48, 30,407.22 and 14,759.90 is: 22,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271.48 : 30,407.22 = 14,759.90 : x
  2. Step 2: Convert to fraction form
    20,271.48/30,407.22 = 14,759.90/x
  3. Step 3: Cross multiply
    20,271.48x = 30,407.22 × 14,759.90
  4. Step 4: Simplify right side
    20,271.48x = 448,807,526.48
  5. Step 5: Solve for x
    x = 448,807,526.48/20,271.48
  6. Step 6: Final answer
    x = 22,139.85

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Similar ratio
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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.