Home / 40,352.78-55,687.27-22,203.74

Finding the Fourth Proportional to 40,352.78, 55,687.27 and 22,203.74

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Solution

The fourth proportional to 40,352.78, 55,687.27 and 22,203.74 is: 30,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,352.78 : 55,687.27 = 22,203.74 : x
  2. Step 2: Convert to fraction form
    40,352.78/55,687.27 = 22,203.74/x
  3. Step 3: Cross multiply
    40,352.78x = 55,687.27 × 22,203.74
  4. Step 4: Simplify right side
    40,352.78x = 1,236,465,664.39
  5. Step 5: Solve for x
    x = 1,236,465,664.39/40,352.78
  6. Step 6: Final answer
    x = 30,641.40

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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.