Home / 37,145.07-51,259.89-20,149.28

Finding the Fourth Proportional to 37,145.07, 51,259.89 and 20,149.28

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Solution

The fourth proportional to 37,145.07, 51,259.89 and 20,149.28 is: 27,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.07 : 51,259.89 = 20,149.28 : x
  2. Step 2: Convert to fraction form
    37,145.07/51,259.89 = 20,149.28/x
  3. Step 3: Cross multiply
    37,145.07x = 51,259.89 × 20,149.28
  4. Step 4: Simplify right side
    37,145.07x = 1,032,849,620.08
  5. Step 5: Solve for x
    x = 1,032,849,620.08/37,145.07
  6. Step 6: Final answer
    x = 27,805.83

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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.