Home / 36,681.46-50,621.61-20,765.56

Finding the Fourth Proportional to 36,681.46, 50,621.61 and 20,765.56

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Solution

The fourth proportional to 36,681.46, 50,621.61 and 20,765.56 is: 28,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.46 : 50,621.61 = 20,765.56 : x
  2. Step 2: Convert to fraction form
    36,681.46/50,621.61 = 20,765.56/x
  3. Step 3: Cross multiply
    36,681.46x = 50,621.61 × 20,765.56
  4. Step 4: Simplify right side
    36,681.46x = 1,051,186,079.75
  5. Step 5: Solve for x
    x = 1,051,186,079.75/36,681.46
  6. Step 6: Final answer
    x = 28,657.15

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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.