Home / 40,128.58-55,349.94-27,531.46

Finding the Fourth Proportional to 40,128.58, 55,349.94 and 27,531.46

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Solution

The fourth proportional to 40,128.58, 55,349.94 and 27,531.46 is: 37,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.58 : 55,349.94 = 27,531.46 : x
  2. Step 2: Convert to fraction form
    40,128.58/55,349.94 = 27,531.46/x
  3. Step 3: Cross multiply
    40,128.58x = 55,349.94 × 27,531.46
  4. Step 4: Simplify right side
    40,128.58x = 1,523,864,659.11
  5. Step 5: Solve for x
    x = 1,523,864,659.11/40,128.58
  6. Step 6: Final answer
    x = 37,974.55

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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.