Home / 40,947.78-56,507.28-23,042.76

Finding the Fourth Proportional to 40,947.78, 56,507.28 and 23,042.76

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Solution

The fourth proportional to 40,947.78, 56,507.28 and 23,042.76 is: 31,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,947.78 : 56,507.28 = 23,042.76 : x
  2. Step 2: Convert to fraction form
    40,947.78/56,507.28 = 23,042.76/x
  3. Step 3: Cross multiply
    40,947.78x = 56,507.28 × 23,042.76
  4. Step 4: Simplify right side
    40,947.78x = 1,302,083,691.29
  5. Step 5: Solve for x
    x = 1,302,083,691.29/40,947.78
  6. Step 6: Final answer
    x = 31,798.64

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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.