Home / 54,789.05-75,608.90-29,638.55

Finding the Fourth Proportional to 54,789.05, 75,608.90 and 29,638.55

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Solution

The fourth proportional to 54,789.05, 75,608.90 and 29,638.55 is: 40,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.05 : 75,608.90 = 29,638.55 : x
  2. Step 2: Convert to fraction form
    54,789.05/75,608.90 = 29,638.55/x
  3. Step 3: Cross multiply
    54,789.05x = 75,608.90 × 29,638.55
  4. Step 4: Simplify right side
    54,789.05x = 2,240,937,636.86
  5. Step 5: Solve for x
    x = 2,240,937,636.86/54,789.05
  6. Step 6: Final answer
    x = 40,901.20

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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.