Home / 40,160.40-55,423.56-22,255.03

Finding the Fourth Proportional to 40,160.40, 55,423.56 and 22,255.03

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Solution

The fourth proportional to 40,160.40, 55,423.56 and 22,255.03 is: 30,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.40 : 55,423.56 = 22,255.03 : x
  2. Step 2: Convert to fraction form
    40,160.40/55,423.56 = 22,255.03/x
  3. Step 3: Cross multiply
    40,160.40x = 55,423.56 × 22,255.03
  4. Step 4: Simplify right side
    40,160.40x = 1,233,452,990.51
  5. Step 5: Solve for x
    x = 1,233,452,990.51/40,160.40
  6. Step 6: Final answer
    x = 30,713.16

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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.