Home / 57,297.32-79,082.69-43,720.65

Finding the Fourth Proportional to 57,297.32, 79,082.69 and 43,720.65

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Solution

The fourth proportional to 57,297.32, 79,082.69 and 43,720.65 is: 60,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.32 : 79,082.69 = 43,720.65 : x
  2. Step 2: Convert to fraction form
    57,297.32/79,082.69 = 43,720.65/x
  3. Step 3: Cross multiply
    57,297.32x = 79,082.69 × 43,720.65
  4. Step 4: Simplify right side
    57,297.32x = 3,457,546,610.55
  5. Step 5: Solve for x
    x = 3,457,546,610.55/57,297.32
  6. Step 6: Final answer
    x = 60,343.95

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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.