Home / 40,660.31-56,111.51-22,756.97

Finding the Fourth Proportional to 40,660.31, 56,111.51 and 22,756.97

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Solution

The fourth proportional to 40,660.31, 56,111.51 and 22,756.97 is: 31,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,660.31 : 56,111.51 = 22,756.97 : x
  2. Step 2: Convert to fraction form
    40,660.31/56,111.51 = 22,756.97/x
  3. Step 3: Cross multiply
    40,660.31x = 56,111.51 × 22,756.97
  4. Step 4: Simplify right side
    40,660.31x = 1,276,928,146.90
  5. Step 5: Solve for x
    x = 1,276,928,146.90/40,660.31
  6. Step 6: Final answer
    x = 31,404.78

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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.