Home / 40,242.88-55,532.64-22,336.84

Finding the Fourth Proportional to 40,242.88, 55,532.64 and 22,336.84

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Solution

The fourth proportional to 40,242.88, 55,532.64 and 22,336.84 is: 30,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.88 : 55,532.64 = 22,336.84 : x
  2. Step 2: Convert to fraction form
    40,242.88/55,532.64 = 22,336.84/x
  3. Step 3: Cross multiply
    40,242.88x = 55,532.64 × 22,336.84
  4. Step 4: Simplify right side
    40,242.88x = 1,240,423,694.46
  5. Step 5: Solve for x
    x = 1,240,423,694.46/40,242.88
  6. Step 6: Final answer
    x = 30,823.43

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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.