Home / 40,958.56-61,439.28-11,376.16

Finding the Fourth Proportional to 40,958.56, 61,439.28 and 11,376.16

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Solution

The fourth proportional to 40,958.56, 61,439.28 and 11,376.16 is: 17,064.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958.56 : 61,439.28 = 11,376.16 : x
  2. Step 2: Convert to fraction form
    40,958.56/61,439.28 = 11,376.16/x
  3. Step 3: Cross multiply
    40,958.56x = 61,439.28 × 11,376.16
  4. Step 4: Simplify right side
    40,958.56x = 698,943,079.56
  5. Step 5: Solve for x
    x = 698,943,079.56/40,958.56
  6. Step 6: Final answer
    x = 17,064.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.