Home / 36,979.38-51,030.45-20,212.02

Finding the Fourth Proportional to 36,979.38, 51,030.45 and 20,212.02

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Solution

The fourth proportional to 36,979.38, 51,030.45 and 20,212.02 is: 27,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.38 : 51,030.45 = 20,212.02 : x
  2. Step 2: Convert to fraction form
    36,979.38/51,030.45 = 20,212.02/x
  3. Step 3: Cross multiply
    36,979.38x = 51,030.45 × 20,212.02
  4. Step 4: Simplify right side
    36,979.38x = 1,031,428,476.01
  5. Step 5: Solve for x
    x = 1,031,428,476.01/36,979.38
  6. Step 6: Final answer
    x = 27,891.99

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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.