Home / 39,812.20-54,934.56-22,813.18

Finding the Fourth Proportional to 39,812.20, 54,934.56 and 22,813.18

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Solution

The fourth proportional to 39,812.20, 54,934.56 and 22,813.18 is: 31,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.20 : 54,934.56 = 22,813.18 : x
  2. Step 2: Convert to fraction form
    39,812.20/54,934.56 = 22,813.18/x
  3. Step 3: Cross multiply
    39,812.20x = 54,934.56 × 22,813.18
  4. Step 4: Simplify right side
    39,812.20x = 1,253,232,005.50
  5. Step 5: Solve for x
    x = 1,253,232,005.50/39,812.20
  6. Step 6: Final answer
    x = 31,478.59

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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.