Home / 40,909.40-61,331.70-17,516.60

Finding the Fourth Proportional to 40,909.40, 61,331.70 and 17,516.60

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Solution

The fourth proportional to 40,909.40, 61,331.70 and 17,516.60 is: 26,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,909.40 : 61,331.70 = 17,516.60 : x
  2. Step 2: Convert to fraction form
    40,909.40/61,331.70 = 17,516.60/x
  3. Step 3: Cross multiply
    40,909.40x = 61,331.70 × 17,516.60
  4. Step 4: Simplify right side
    40,909.40x = 1,074,322,856.22
  5. Step 5: Solve for x
    x = 1,074,322,856.22/40,909.40
  6. Step 6: Final answer
    x = 26,261.03

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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.