Home / 36,645.74-50,572.25-20,729.90

Finding the Fourth Proportional to 36,645.74, 50,572.25 and 20,729.90

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Solution

The fourth proportional to 36,645.74, 50,572.25 and 20,729.90 is: 28,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,645.74 : 50,572.25 = 20,729.90 : x
  2. Step 2: Convert to fraction form
    36,645.74/50,572.25 = 20,729.90/x
  3. Step 3: Cross multiply
    36,645.74x = 50,572.25 × 20,729.90
  4. Step 4: Simplify right side
    36,645.74x = 1,048,357,685.28
  5. Step 5: Solve for x
    x = 1,048,357,685.28/36,645.74
  6. Step 6: Final answer
    x = 28,607.90

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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.