Home / 29,040.80-43,556.01-18,479.47

Finding the Fourth Proportional to 29,040.80, 43,556.01 and 18,479.47

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Solution

The fourth proportional to 29,040.80, 43,556.01 and 18,479.47 is: 27,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.80 : 43,556.01 = 18,479.47 : x
  2. Step 2: Convert to fraction form
    29,040.80/43,556.01 = 18,479.47/x
  3. Step 3: Cross multiply
    29,040.80x = 43,556.01 × 18,479.47
  4. Step 4: Simplify right side
    29,040.80x = 804,891,884.53
  5. Step 5: Solve for x
    x = 804,891,884.53/29,040.80
  6. Step 6: Final answer
    x = 27,715.90

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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.