Home / 60,738.61-91,107.78-21,274.06

Finding the Fourth Proportional to 60,738.61, 91,107.78 and 21,274.06

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Solution

The fourth proportional to 60,738.61, 91,107.78 and 21,274.06 is: 31,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,738.61 : 91,107.78 = 21,274.06 : x
  2. Step 2: Convert to fraction form
    60,738.61/91,107.78 = 21,274.06/x
  3. Step 3: Cross multiply
    60,738.61x = 91,107.78 × 21,274.06
  4. Step 4: Simplify right side
    60,738.61x = 1,938,232,378.19
  5. Step 5: Solve for x
    x = 1,938,232,378.19/60,738.61
  6. Step 6: Final answer
    x = 31,911.04

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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.