Home / 36,436.38-50,281.68-20,521.02

Finding the Fourth Proportional to 36,436.38, 50,281.68 and 20,521.02

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Solution

The fourth proportional to 36,436.38, 50,281.68 and 20,521.02 is: 28,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.38 : 50,281.68 = 20,521.02 : x
  2. Step 2: Convert to fraction form
    36,436.38/50,281.68 = 20,521.02/x
  3. Step 3: Cross multiply
    36,436.38x = 50,281.68 × 20,521.02
  4. Step 4: Simplify right side
    36,436.38x = 1,031,831,360.91
  5. Step 5: Solve for x
    x = 1,031,831,360.91/36,436.38
  6. Step 6: Final answer
    x = 28,318.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.