Home / 38,104.32-57,158.64-13,145.52

Finding the Fourth Proportional to 38,104.32, 57,158.64 and 13,145.52

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Solution

The fourth proportional to 38,104.32, 57,158.64 and 13,145.52 is: 19,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.32 : 57,158.64 = 13,145.52 : x
  2. Step 2: Convert to fraction form
    38,104.32/57,158.64 = 13,145.52/x
  3. Step 3: Cross multiply
    38,104.32x = 57,158.64 × 13,145.52
  4. Step 4: Simplify right side
    38,104.32x = 751,380,045.29
  5. Step 5: Solve for x
    x = 751,380,045.29/38,104.32
  6. Step 6: Final answer
    x = 19,719.03

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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.