Home / 38,826.12-58,197.64-20,087.30

Finding the Fourth Proportional to 38,826.12, 58,197.64 and 20,087.30

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Solution

The fourth proportional to 38,826.12, 58,197.64 and 20,087.30 is: 30,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826.12 : 58,197.64 = 20,087.30 : x
  2. Step 2: Convert to fraction form
    38,826.12/58,197.64 = 20,087.30/x
  3. Step 3: Cross multiply
    38,826.12x = 58,197.64 × 20,087.30
  4. Step 4: Simplify right side
    38,826.12x = 1,169,033,453.97
  5. Step 5: Solve for x
    x = 1,169,033,453.97/38,826.12
  6. Step 6: Final answer
    x = 30,109.46

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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.