Home / 40,160.75-55,423.05-22,254.08

Finding the Fourth Proportional to 40,160.75, 55,423.05 and 22,254.08

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Solution

The fourth proportional to 40,160.75, 55,423.05 and 22,254.08 is: 30,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.75 : 55,423.05 = 22,254.08 : x
  2. Step 2: Convert to fraction form
    40,160.75/55,423.05 = 22,254.08/x
  3. Step 3: Cross multiply
    40,160.75x = 55,423.05 × 22,254.08
  4. Step 4: Simplify right side
    40,160.75x = 1,233,388,988.54
  5. Step 5: Solve for x
    x = 1,233,388,988.54/40,160.75
  6. Step 6: Final answer
    x = 30,711.30

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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.