Home / 40,051.20-60,081.36-11,972.82

Finding the Fourth Proportional to 40,051.20, 60,081.36 and 11,972.82

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Solution

The fourth proportional to 40,051.20, 60,081.36 and 11,972.82 is: 17,960.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.20 : 60,081.36 = 11,972.82 : x
  2. Step 2: Convert to fraction form
    40,051.20/60,081.36 = 11,972.82/x
  3. Step 3: Cross multiply
    40,051.20x = 60,081.36 × 11,972.82
  4. Step 4: Simplify right side
    40,051.20x = 719,343,308.64
  5. Step 5: Solve for x
    x = 719,343,308.64/40,051.20
  6. Step 6: Final answer
    x = 17,960.59

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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.