Home / 40,728.60-56,206.20-22,823.52

Finding the Fourth Proportional to 40,728.60, 56,206.20 and 22,823.52

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Solution

The fourth proportional to 40,728.60, 56,206.20 and 22,823.52 is: 31,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.60 : 56,206.20 = 22,823.52 : x
  2. Step 2: Convert to fraction form
    40,728.60/56,206.20 = 22,823.52/x
  3. Step 3: Cross multiply
    40,728.60x = 56,206.20 × 22,823.52
  4. Step 4: Simplify right side
    40,728.60x = 1,282,823,329.82
  5. Step 5: Solve for x
    x = 1,282,823,329.82/40,728.60
  6. Step 6: Final answer
    x = 31,496.87

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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.