Home / 39,160.31-54,042.04-22,164.56

Finding the Fourth Proportional to 39,160.31, 54,042.04 and 22,164.56

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Solution

The fourth proportional to 39,160.31, 54,042.04 and 22,164.56 is: 30,587.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.31 : 54,042.04 = 22,164.56 : x
  2. Step 2: Convert to fraction form
    39,160.31/54,042.04 = 22,164.56/x
  3. Step 3: Cross multiply
    39,160.31x = 54,042.04 × 22,164.56
  4. Step 4: Simplify right side
    39,160.31x = 1,197,817,657.07
  5. Step 5: Solve for x
    x = 1,197,817,657.07/39,160.31
  6. Step 6: Final answer
    x = 30,587.54

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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.