Home / 45,039.60-62,179.52-27,139

Finding the Fourth Proportional to 45,039.60, 62,179.52 and 27,139

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Solution

The fourth proportional to 45,039.60, 62,179.52 and 27,139 is: 37,466.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,039.60 : 62,179.52 = 27,139 : x
  2. Step 2: Convert to fraction form
    45,039.60/62,179.52 = 27,139/x
  3. Step 3: Cross multiply
    45,039.60x = 62,179.52 × 27,139
  4. Step 4: Simplify right side
    45,039.60x = 1,687,489,993.28
  5. Step 5: Solve for x
    x = 1,687,489,993.28/45,039.60
  6. Step 6: Final answer
    x = 37,466.81

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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.