Home / 30,644.11-45,966.28-20,253.55

Finding the Fourth Proportional to 30,644.11, 45,966.28 and 20,253.55

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Solution

The fourth proportional to 30,644.11, 45,966.28 and 20,253.55 is: 30,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,644.11 : 45,966.28 = 20,253.55 : x
  2. Step 2: Convert to fraction form
    30,644.11/45,966.28 = 20,253.55/x
  3. Step 3: Cross multiply
    30,644.11x = 45,966.28 × 20,253.55
  4. Step 4: Simplify right side
    30,644.11x = 930,980,350.29
  5. Step 5: Solve for x
    x = 930,980,350.29/30,644.11
  6. Step 6: Final answer
    x = 30,380.40

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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.