Home / 81,006.76-121,513.82-24,842.76

Finding the Fourth Proportional to 81,006.76, 121,513.82 and 24,842.76

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Solution

The fourth proportional to 81,006.76, 121,513.82 and 24,842.76 is: 37,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,006.76 : 121,513.82 = 24,842.76 : x
  2. Step 2: Convert to fraction form
    81,006.76/121,513.82 = 24,842.76/x
  3. Step 3: Cross multiply
    81,006.76x = 121,513.82 × 24,842.76
  4. Step 4: Simplify right side
    81,006.76x = 3,018,738,666.94
  5. Step 5: Solve for x
    x = 3,018,738,666.94/81,006.76
  6. Step 6: Final answer
    x = 37,265.27

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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.