Home / 57,838.20-86,717.76-30,824.61

Finding the Fourth Proportional to 57,838.20, 86,717.76 and 30,824.61

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Solution

The fourth proportional to 57,838.20, 86,717.76 and 30,824.61 is: 46,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,838.20 : 86,717.76 = 30,824.61 : x
  2. Step 2: Convert to fraction form
    57,838.20/86,717.76 = 30,824.61/x
  3. Step 3: Cross multiply
    57,838.20x = 86,717.76 × 30,824.61
  4. Step 4: Simplify right side
    57,838.20x = 2,673,041,132.07
  5. Step 5: Solve for x
    x = 2,673,041,132.07/57,838.20
  6. Step 6: Final answer
    x = 46,215.84

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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.