Home / 38,129.94-52,619.22-21,134.25

Finding the Fourth Proportional to 38,129.94, 52,619.22 and 21,134.25

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Solution

The fourth proportional to 38,129.94, 52,619.22 and 21,134.25 is: 29,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.94 : 52,619.22 = 21,134.25 : x
  2. Step 2: Convert to fraction form
    38,129.94/52,619.22 = 21,134.25/x
  3. Step 3: Cross multiply
    38,129.94x = 52,619.22 × 21,134.25
  4. Step 4: Simplify right side
    38,129.94x = 1,112,067,750.29
  5. Step 5: Solve for x
    x = 1,112,067,750.29/38,129.94
  6. Step 6: Final answer
    x = 29,165.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.