Home / 29,087.40-43,631.10-25,861.80

Finding the Fourth Proportional to 29,087.40, 43,631.10 and 25,861.80

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Solution

The fourth proportional to 29,087.40, 43,631.10 and 25,861.80 is: 38,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.40 : 43,631.10 = 25,861.80 : x
  2. Step 2: Convert to fraction form
    29,087.40/43,631.10 = 25,861.80/x
  3. Step 3: Cross multiply
    29,087.40x = 43,631.10 × 25,861.80
  4. Step 4: Simplify right side
    29,087.40x = 1,128,378,781.98
  5. Step 5: Solve for x
    x = 1,128,378,781.98/29,087.40
  6. Step 6: Final answer
    x = 38,792.70

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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.