Home / 36,412.80-50,248.56-20,498.08

Finding the Fourth Proportional to 36,412.80, 50,248.56 and 20,498.08

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Solution

The fourth proportional to 36,412.80, 50,248.56 and 20,498.08 is: 28,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.80 : 50,248.56 = 20,498.08 : x
  2. Step 2: Convert to fraction form
    36,412.80/50,248.56 = 20,498.08/x
  3. Step 3: Cross multiply
    36,412.80x = 50,248.56 × 20,498.08
  4. Step 4: Simplify right side
    36,412.80x = 1,029,999,002.76
  5. Step 5: Solve for x
    x = 1,029,999,002.76/36,412.80
  6. Step 6: Final answer
    x = 28,286.73

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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.