Home / 40,189.84-60,272.45-27,789.55

Finding the Fourth Proportional to 40,189.84, 60,272.45 and 27,789.55

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Solution

The fourth proportional to 40,189.84, 60,272.45 and 27,789.55 is: 41,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,189.84 : 60,272.45 = 27,789.55 : x
  2. Step 2: Convert to fraction form
    40,189.84/60,272.45 = 27,789.55/x
  3. Step 3: Cross multiply
    40,189.84x = 60,272.45 × 27,789.55
  4. Step 4: Simplify right side
    40,189.84x = 1,674,944,077.48
  5. Step 5: Solve for x
    x = 1,674,944,077.48/40,189.84
  6. Step 6: Final answer
    x = 41,675.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.