Home / 37,582.75-51,865.85-20,815.75

Finding the Fourth Proportional to 37,582.75, 51,865.85 and 20,815.75

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Solution

The fourth proportional to 37,582.75, 51,865.85 and 20,815.75 is: 28,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,582.75 : 51,865.85 = 20,815.75 : x
  2. Step 2: Convert to fraction form
    37,582.75/51,865.85 = 20,815.75/x
  3. Step 3: Cross multiply
    37,582.75x = 51,865.85 × 20,815.75
  4. Step 4: Simplify right side
    37,582.75x = 1,079,626,463.06
  5. Step 5: Solve for x
    x = 1,079,626,463.06/37,582.75
  6. Step 6: Final answer
    x = 28,726.65

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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.