Home / 65,034.12-89,747.28-36,739.20

Finding the Fourth Proportional to 65,034.12, 89,747.28 and 36,739.20

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Solution

The fourth proportional to 65,034.12, 89,747.28 and 36,739.20 is: 50,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,034.12 : 89,747.28 = 36,739.20 : x
  2. Step 2: Convert to fraction form
    65,034.12/89,747.28 = 36,739.20/x
  3. Step 3: Cross multiply
    65,034.12x = 89,747.28 × 36,739.20
  4. Step 4: Simplify right side
    65,034.12x = 3,297,243,269.38
  5. Step 5: Solve for x
    x = 3,297,243,269.38/65,034.12
  6. Step 6: Final answer
    x = 50,700.21

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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.