Home / 40,306.64-55,618.94-22,398.76

Finding the Fourth Proportional to 40,306.64, 55,618.94 and 22,398.76

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Solution

The fourth proportional to 40,306.64, 55,618.94 and 22,398.76 is: 30,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.64 : 55,618.94 = 22,398.76 : x
  2. Step 2: Convert to fraction form
    40,306.64/55,618.94 = 22,398.76/x
  3. Step 3: Cross multiply
    40,306.64x = 55,618.94 × 22,398.76
  4. Step 4: Simplify right side
    40,306.64x = 1,245,794,898.43
  5. Step 5: Solve for x
    x = 1,245,794,898.43/40,306.64
  6. Step 6: Final answer
    x = 30,907.93

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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.