Home / 40,160.61-55,421.96-22,255.91

Finding the Fourth Proportional to 40,160.61, 55,421.96 and 22,255.91

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Solution

The fourth proportional to 40,160.61, 55,421.96 and 22,255.91 is: 30,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.61 : 55,421.96 = 22,255.91 : x
  2. Step 2: Convert to fraction form
    40,160.61/55,421.96 = 22,255.91/x
  3. Step 3: Cross multiply
    40,160.61x = 55,421.96 × 22,255.91
  4. Step 4: Simplify right side
    40,160.61x = 1,233,466,153.78
  5. Step 5: Solve for x
    x = 1,233,466,153.78/40,160.61
  6. Step 6: Final answer
    x = 30,713.34

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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.