Home / 38,300.82-57,451.38-11,647.10

Finding the Fourth Proportional to 38,300.82, 57,451.38 and 11,647.10

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Solution

The fourth proportional to 38,300.82, 57,451.38 and 11,647.10 is: 17,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,300.82 : 57,451.38 = 11,647.10 : x
  2. Step 2: Convert to fraction form
    38,300.82/57,451.38 = 11,647.10/x
  3. Step 3: Cross multiply
    38,300.82x = 57,451.38 × 11,647.10
  4. Step 4: Simplify right side
    38,300.82x = 669,141,968.00
  5. Step 5: Solve for x
    x = 669,141,968.00/38,300.82
  6. Step 6: Final answer
    x = 17,470.70

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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.