Home / 81,010.76-121,519.82-24,846.76

Finding the Fourth Proportional to 81,010.76, 121,519.82 and 24,846.76

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Solution

The fourth proportional to 81,010.76, 121,519.82 and 24,846.76 is: 37,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,010.76 : 121,519.82 = 24,846.76 : x
  2. Step 2: Convert to fraction form
    81,010.76/121,519.82 = 24,846.76/x
  3. Step 3: Cross multiply
    81,010.76x = 121,519.82 × 24,846.76
  4. Step 4: Simplify right side
    81,010.76x = 3,019,373,802.78
  5. Step 5: Solve for x
    x = 3,019,373,802.78/81,010.76
  6. Step 6: Final answer
    x = 37,271.27

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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.