Home / 40,369.60-55,711.36-25,257.44

Finding the Fourth Proportional to 40,369.60, 55,711.36 and 25,257.44

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Solution

The fourth proportional to 40,369.60, 55,711.36 and 25,257.44 is: 34,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.60 : 55,711.36 = 25,257.44 : x
  2. Step 2: Convert to fraction form
    40,369.60/55,711.36 = 25,257.44/x
  3. Step 3: Cross multiply
    40,369.60x = 55,711.36 × 25,257.44
  4. Step 4: Simplify right side
    40,369.60x = 1,407,126,332.52
  5. Step 5: Solve for x
    x = 1,407,126,332.52/40,369.60
  6. Step 6: Final answer
    x = 34,856.09

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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.