Home / 38,270.12-57,382.68-11,608.06

Finding the Fourth Proportional to 38,270.12, 57,382.68 and 11,608.06

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Solution

The fourth proportional to 38,270.12, 57,382.68 and 11,608.06 is: 17,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,270.12 : 57,382.68 = 11,608.06 : x
  2. Step 2: Convert to fraction form
    38,270.12/57,382.68 = 11,608.06/x
  3. Step 3: Cross multiply
    38,270.12x = 57,382.68 × 11,608.06
  4. Step 4: Simplify right side
    38,270.12x = 666,101,534.77
  5. Step 5: Solve for x
    x = 666,101,534.77/38,270.12
  6. Step 6: Final answer
    x = 17,405.26

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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.