Home / 77,586.97-116,380.31-21,426.94

Finding the Fourth Proportional to 77,586.97, 116,380.31 and 21,426.94

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Solution

The fourth proportional to 77,586.97, 116,380.31 and 21,426.94 is: 32,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,586.97 : 116,380.31 = 21,426.94 : x
  2. Step 2: Convert to fraction form
    77,586.97/116,380.31 = 21,426.94/x
  3. Step 3: Cross multiply
    77,586.97x = 116,380.31 × 21,426.94
  4. Step 4: Simplify right side
    77,586.97x = 2,493,673,521.47
  5. Step 5: Solve for x
    x = 2,493,673,521.47/77,586.97
  6. Step 6: Final answer
    x = 32,140.36

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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.