Home / 60,721.40-83,766.94-39,492.92

Finding the Fourth Proportional to 60,721.40, 83,766.94 and 39,492.92

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Solution

The fourth proportional to 60,721.40, 83,766.94 and 39,492.92 is: 54,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,721.40 : 83,766.94 = 39,492.92 : x
  2. Step 2: Convert to fraction form
    60,721.40/83,766.94 = 39,492.92/x
  3. Step 3: Cross multiply
    60,721.40x = 83,766.94 × 39,492.92
  4. Step 4: Simplify right side
    60,721.40x = 3,308,201,170.75
  5. Step 5: Solve for x
    x = 3,308,201,170.75/60,721.40
  6. Step 6: Final answer
    x = 54,481.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.