Home / 36,559.20-50,451.28-20,644.32

Finding the Fourth Proportional to 36,559.20, 50,451.28 and 20,644.32

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Solution

The fourth proportional to 36,559.20, 50,451.28 and 20,644.32 is: 28,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,559.20 : 50,451.28 = 20,644.32 : x
  2. Step 2: Convert to fraction form
    36,559.20/50,451.28 = 20,644.32/x
  3. Step 3: Cross multiply
    36,559.20x = 50,451.28 × 20,644.32
  4. Step 4: Simplify right side
    36,559.20x = 1,041,532,368.73
  5. Step 5: Solve for x
    x = 1,041,532,368.73/36,559.20
  6. Step 6: Final answer
    x = 28,488.93

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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.