Home / 37,649.30-56,387.77-18,934.65

Finding the Fourth Proportional to 37,649.30, 56,387.77 and 18,934.65

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Solution

The fourth proportional to 37,649.30, 56,387.77 and 18,934.65 is: 28,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.30 : 56,387.77 = 18,934.65 : x
  2. Step 2: Convert to fraction form
    37,649.30/56,387.77 = 18,934.65/x
  3. Step 3: Cross multiply
    37,649.30x = 56,387.77 × 18,934.65
  4. Step 4: Simplify right side
    37,649.30x = 1,067,682,641.89
  5. Step 5: Solve for x
    x = 1,067,682,641.89/37,649.30
  6. Step 6: Final answer
    x = 28,358.64

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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.