Home / 38,116.88-57,161.28-13,150.56

Finding the Fourth Proportional to 38,116.88, 57,161.28 and 13,150.56

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Solution

The fourth proportional to 38,116.88, 57,161.28 and 13,150.56 is: 19,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.88 : 57,161.28 = 13,150.56 : x
  2. Step 2: Convert to fraction form
    38,116.88/57,161.28 = 13,150.56/x
  3. Step 3: Cross multiply
    38,116.88x = 57,161.28 × 13,150.56
  4. Step 4: Simplify right side
    38,116.88x = 751,702,842.32
  5. Step 5: Solve for x
    x = 751,702,842.32/38,116.88
  6. Step 6: Final answer
    x = 19,721.00

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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.