Home / 34,387.48-47,452.24-20,238.40

Finding the Fourth Proportional to 34,387.48, 47,452.24 and 20,238.40

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Solution

The fourth proportional to 34,387.48, 47,452.24 and 20,238.40 is: 27,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.48 : 47,452.24 = 20,238.40 : x
  2. Step 2: Convert to fraction form
    34,387.48/47,452.24 = 20,238.40/x
  3. Step 3: Cross multiply
    34,387.48x = 47,452.24 × 20,238.40
  4. Step 4: Simplify right side
    34,387.48x = 960,357,414.02
  5. Step 5: Solve for x
    x = 960,357,414.02/34,387.48
  6. Step 6: Final answer
    x = 27,927.53

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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.