Home / 38,146.84-57,209.34-13,180.36

Finding the Fourth Proportional to 38,146.84, 57,209.34 and 13,180.36

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Solution

The fourth proportional to 38,146.84, 57,209.34 and 13,180.36 is: 19,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.84 : 57,209.34 = 13,180.36 : x
  2. Step 2: Convert to fraction form
    38,146.84/57,209.34 = 13,180.36/x
  3. Step 3: Cross multiply
    38,146.84x = 57,209.34 × 13,180.36
  4. Step 4: Simplify right side
    38,146.84x = 754,039,696.56
  5. Step 5: Solve for x
    x = 754,039,696.56/38,146.84
  6. Step 6: Final answer
    x = 19,766.77

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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.