Home / 40,160.28-55,421.63-22,255.63

Finding the Fourth Proportional to 40,160.28, 55,421.63 and 22,255.63

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Solution

The fourth proportional to 40,160.28, 55,421.63 and 22,255.63 is: 30,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.28 : 55,421.63 = 22,255.63 : x
  2. Step 2: Convert to fraction form
    40,160.28/55,421.63 = 22,255.63/x
  3. Step 3: Cross multiply
    40,160.28x = 55,421.63 × 22,255.63
  4. Step 4: Simplify right side
    40,160.28x = 1,233,443,291.28
  5. Step 5: Solve for x
    x = 1,233,443,291.28/40,160.28
  6. Step 6: Final answer
    x = 30,713.02

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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.