Home / 20,100.90-30,151.35-14,852.10

Finding the Fourth Proportional to 20,100.90, 30,151.35 and 14,852.10

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Solution

The fourth proportional to 20,100.90, 30,151.35 and 14,852.10 is: 22,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.90 : 30,151.35 = 14,852.10 : x
  2. Step 2: Convert to fraction form
    20,100.90/30,151.35 = 14,852.10/x
  3. Step 3: Cross multiply
    20,100.90x = 30,151.35 × 14,852.10
  4. Step 4: Simplify right side
    20,100.90x = 447,810,865.34
  5. Step 5: Solve for x
    x = 447,810,865.34/20,100.90
  6. Step 6: Final answer
    x = 22,278.15

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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.