Home / 38,130.11-57,204.25-13,170.37

Finding the Fourth Proportional to 38,130.11, 57,204.25 and 13,170.37

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Solution

The fourth proportional to 38,130.11, 57,204.25 and 13,170.37 is: 19,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.11 : 57,204.25 = 13,170.37 : x
  2. Step 2: Convert to fraction form
    38,130.11/57,204.25 = 13,170.37/x
  3. Step 3: Cross multiply
    38,130.11x = 57,204.25 × 13,170.37
  4. Step 4: Simplify right side
    38,130.11x = 753,400,962.14
  5. Step 5: Solve for x
    x = 753,400,962.14/38,130.11
  6. Step 6: Final answer
    x = 19,758.69

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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.