Home / 40,159.62-55,417.77-22,253.58

Finding the Fourth Proportional to 40,159.62, 55,417.77 and 22,253.58

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Solution

The fourth proportional to 40,159.62, 55,417.77 and 22,253.58 is: 30,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.62 : 55,417.77 = 22,253.58 : x
  2. Step 2: Convert to fraction form
    40,159.62/55,417.77 = 22,253.58/x
  3. Step 3: Cross multiply
    40,159.62x = 55,417.77 × 22,253.58
  4. Step 4: Simplify right side
    40,159.62x = 1,233,243,778.12
  5. Step 5: Solve for x
    x = 1,233,243,778.12/40,159.62
  6. Step 6: Final answer
    x = 30,708.55

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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.