Home / 40,158.92-55,417.91-22,255.59

Finding the Fourth Proportional to 40,158.92, 55,417.91 and 22,255.59

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Solution

The fourth proportional to 40,158.92, 55,417.91 and 22,255.59 is: 30,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.92 : 55,417.91 = 22,255.59 : x
  2. Step 2: Convert to fraction form
    40,158.92/55,417.91 = 22,255.59/x
  3. Step 3: Cross multiply
    40,158.92x = 55,417.91 × 22,255.59
  4. Step 4: Simplify right side
    40,158.92x = 1,233,358,283.62
  5. Step 5: Solve for x
    x = 1,233,358,283.62/40,158.92
  6. Step 6: Final answer
    x = 30,711.94

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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.