Home / 40,621.42-56,062.78-22,717.42

Finding the Fourth Proportional to 40,621.42, 56,062.78 and 22,717.42

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Solution

The fourth proportional to 40,621.42, 56,062.78 and 22,717.42 is: 31,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,621.42 : 56,062.78 = 22,717.42 : x
  2. Step 2: Convert to fraction form
    40,621.42/56,062.78 = 22,717.42/x
  3. Step 3: Cross multiply
    40,621.42x = 56,062.78 × 22,717.42
  4. Step 4: Simplify right side
    40,621.42x = 1,273,601,719.63
  5. Step 5: Solve for x
    x = 1,273,601,719.63/40,621.42
  6. Step 6: Final answer
    x = 31,352.96

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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.