Home / 75,799.38-113,666.04-21,752.16

Finding the Fourth Proportional to 75,799.38, 113,666.04 and 21,752.16

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Solution

The fourth proportional to 75,799.38, 113,666.04 and 21,752.16 is: 32,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,799.38 : 113,666.04 = 21,752.16 : x
  2. Step 2: Convert to fraction form
    75,799.38/113,666.04 = 21,752.16/x
  3. Step 3: Cross multiply
    75,799.38x = 113,666.04 × 21,752.16
  4. Step 4: Simplify right side
    75,799.38x = 2,472,481,888.65
  5. Step 5: Solve for x
    x = 2,472,481,888.65/75,799.38
  6. Step 6: Final answer
    x = 32,618.76

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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.