Home / 54,381.06-75,060.54-35,517.78

Finding the Fourth Proportional to 54,381.06, 75,060.54 and 35,517.78

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Solution

The fourth proportional to 54,381.06, 75,060.54 and 35,517.78 is: 49,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,381.06 : 75,060.54 = 35,517.78 : x
  2. Step 2: Convert to fraction form
    54,381.06/75,060.54 = 35,517.78/x
  3. Step 3: Cross multiply
    54,381.06x = 75,060.54 × 35,517.78
  4. Step 4: Simplify right side
    54,381.06x = 2,665,983,746.40
  5. Step 5: Solve for x
    x = 2,665,983,746.40/54,381.06
  6. Step 6: Final answer
    x = 49,024.12

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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.