Home / 40,930.76-56,482.79-22,780.97

Finding the Fourth Proportional to 40,930.76, 56,482.79 and 22,780.97

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Solution

The fourth proportional to 40,930.76, 56,482.79 and 22,780.97 is: 31,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,930.76 : 56,482.79 = 22,780.97 : x
  2. Step 2: Convert to fraction form
    40,930.76/56,482.79 = 22,780.97/x
  3. Step 3: Cross multiply
    40,930.76x = 56,482.79 × 22,780.97
  4. Step 4: Simplify right side
    40,930.76x = 1,286,732,348.19
  5. Step 5: Solve for x
    x = 1,286,732,348.19/40,930.76
  6. Step 6: Final answer
    x = 31,436.81

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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.