Home / 48,120.44-66,373.26-31,376.12

Finding the Fourth Proportional to 48,120.44, 66,373.26 and 31,376.12

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Solution

The fourth proportional to 48,120.44, 66,373.26 and 31,376.12 is: 43,277.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120.44 : 66,373.26 = 31,376.12 : x
  2. Step 2: Convert to fraction form
    48,120.44/66,373.26 = 31,376.12/x
  3. Step 3: Cross multiply
    48,120.44x = 66,373.26 × 31,376.12
  4. Step 4: Simplify right side
    48,120.44x = 2,082,535,370.55
  5. Step 5: Solve for x
    x = 2,082,535,370.55/48,120.44
  6. Step 6: Final answer
    x = 43,277.56

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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.