Home / 38,133.69-52,624.84-21,138.11

Finding the Fourth Proportional to 38,133.69, 52,624.84 and 21,138.11

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Solution

The fourth proportional to 38,133.69, 52,624.84 and 21,138.11 is: 29,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.69 : 52,624.84 = 21,138.11 : x
  2. Step 2: Convert to fraction form
    38,133.69/52,624.84 = 21,138.11/x
  3. Step 3: Cross multiply
    38,133.69x = 52,624.84 × 21,138.11
  4. Step 4: Simplify right side
    38,133.69x = 1,112,389,873.67
  5. Step 5: Solve for x
    x = 1,112,389,873.67/38,133.69
  6. Step 6: Final answer
    x = 29,170.79

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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.