Home / 39,414.42-54,387.11-22,420.82

Finding the Fourth Proportional to 39,414.42, 54,387.11 and 22,420.82

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Solution

The fourth proportional to 39,414.42, 54,387.11 and 22,420.82 is: 30,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,414.42 : 54,387.11 = 22,420.82 : x
  2. Step 2: Convert to fraction form
    39,414.42/54,387.11 = 22,420.82/x
  3. Step 3: Cross multiply
    39,414.42x = 54,387.11 × 22,420.82
  4. Step 4: Simplify right side
    39,414.42x = 1,219,403,795.65
  5. Step 5: Solve for x
    x = 1,219,403,795.65/39,414.42
  6. Step 6: Final answer
    x = 30,938.01

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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.