Home / 38,913.90-53,701.38-22,146.90

Finding the Fourth Proportional to 38,913.90, 53,701.38 and 22,146.90

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Solution

The fourth proportional to 38,913.90, 53,701.38 and 22,146.90 is: 30,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,913.90 : 53,701.38 = 22,146.90 : x
  2. Step 2: Convert to fraction form
    38,913.90/53,701.38 = 22,146.90/x
  3. Step 3: Cross multiply
    38,913.90x = 53,701.38 × 22,146.90
  4. Step 4: Simplify right side
    38,913.90x = 1,189,319,092.72
  5. Step 5: Solve for x
    x = 1,189,319,092.72/38,913.90
  6. Step 6: Final answer
    x = 30,562.83

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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.