Home / 40,358.10-55,695.51-22,209.54

Finding the Fourth Proportional to 40,358.10, 55,695.51 and 22,209.54

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Solution

The fourth proportional to 40,358.10, 55,695.51 and 22,209.54 is: 30,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.10 : 55,695.51 = 22,209.54 : x
  2. Step 2: Convert to fraction form
    40,358.10/55,695.51 = 22,209.54/x
  3. Step 3: Cross multiply
    40,358.10x = 55,695.51 × 22,209.54
  4. Step 4: Simplify right side
    40,358.10x = 1,236,971,657.17
  5. Step 5: Solve for x
    x = 1,236,971,657.17/40,358.10
  6. Step 6: Final answer
    x = 30,649.90

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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.