Home / 38,267.10-57,400.65-11,972.07

Finding the Fourth Proportional to 38,267.10, 57,400.65 and 11,972.07

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Solution

The fourth proportional to 38,267.10, 57,400.65 and 11,972.07 is: 17,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,267.10 : 57,400.65 = 11,972.07 : x
  2. Step 2: Convert to fraction form
    38,267.10/57,400.65 = 11,972.07/x
  3. Step 3: Cross multiply
    38,267.10x = 57,400.65 × 11,972.07
  4. Step 4: Simplify right side
    38,267.10x = 687,204,599.85
  5. Step 5: Solve for x
    x = 687,204,599.85/38,267.10
  6. Step 6: Final answer
    x = 17,958.11

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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.