Home / 38,231.18-57,346.77-11,938.17

Finding the Fourth Proportional to 38,231.18, 57,346.77 and 11,938.17

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Solution

The fourth proportional to 38,231.18, 57,346.77 and 11,938.17 is: 17,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.18 : 57,346.77 = 11,938.17 : x
  2. Step 2: Convert to fraction form
    38,231.18/57,346.77 = 11,938.17/x
  3. Step 3: Cross multiply
    38,231.18x = 57,346.77 × 11,938.17
  4. Step 4: Simplify right side
    38,231.18x = 684,615,489.21
  5. Step 5: Solve for x
    x = 684,615,489.21/38,231.18
  6. Step 6: Final answer
    x = 17,907.26

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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.