Home / 40,242.39-55,531.89-22,337.40

Finding the Fourth Proportional to 40,242.39, 55,531.89 and 22,337.40

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Solution

The fourth proportional to 40,242.39, 55,531.89 and 22,337.40 is: 30,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.39 : 55,531.89 = 22,337.40 : x
  2. Step 2: Convert to fraction form
    40,242.39/55,531.89 = 22,337.40/x
  3. Step 3: Cross multiply
    40,242.39x = 55,531.89 × 22,337.40
  4. Step 4: Simplify right side
    40,242.39x = 1,240,438,039.69
  5. Step 5: Solve for x
    x = 1,240,438,039.69/40,242.39
  6. Step 6: Final answer
    x = 30,824.16

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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.