Home / 39,306.05-54,239.60-22,310.63

Finding the Fourth Proportional to 39,306.05, 54,239.60 and 22,310.63

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Solution

The fourth proportional to 39,306.05, 54,239.60 and 22,310.63 is: 30,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.05 : 54,239.60 = 22,310.63 : x
  2. Step 2: Convert to fraction form
    39,306.05/54,239.60 = 22,310.63/x
  3. Step 3: Cross multiply
    39,306.05x = 54,239.60 × 22,310.63
  4. Step 4: Simplify right side
    39,306.05x = 1,210,119,634.93
  5. Step 5: Solve for x
    x = 1,210,119,634.93/39,306.05
  6. Step 6: Final answer
    x = 30,787.11

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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.