Home / 40,108.77-55,350.54-22,204.07

Finding the Fourth Proportional to 40,108.77, 55,350.54 and 22,204.07

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Solution

The fourth proportional to 40,108.77, 55,350.54 and 22,204.07 is: 30,641.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.77 : 55,350.54 = 22,204.07 : x
  2. Step 2: Convert to fraction form
    40,108.77/55,350.54 = 22,204.07/x
  3. Step 3: Cross multiply
    40,108.77x = 55,350.54 × 22,204.07
  4. Step 4: Simplify right side
    40,108.77x = 1,229,007,506.86
  5. Step 5: Solve for x
    x = 1,229,007,506.86/40,108.77
  6. Step 6: Final answer
    x = 30,641.86

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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.