Home / 45,741.70-68,612.55-40,903.30

Finding the Fourth Proportional to 45,741.70, 68,612.55 and 40,903.30

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Solution

The fourth proportional to 45,741.70, 68,612.55 and 40,903.30 is: 61,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.70 : 68,612.55 = 40,903.30 : x
  2. Step 2: Convert to fraction form
    45,741.70/68,612.55 = 40,903.30/x
  3. Step 3: Cross multiply
    45,741.70x = 68,612.55 × 40,903.30
  4. Step 4: Simplify right side
    45,741.70x = 2,806,479,716.42
  5. Step 5: Solve for x
    x = 2,806,479,716.42/45,741.70
  6. Step 6: Final answer
    x = 61,354.95

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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.