Home / 37,479.78-51,738.75-28,527.66

Finding the Fourth Proportional to 37,479.78, 51,738.75 and 28,527.66

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Solution

The fourth proportional to 37,479.78, 51,738.75 and 28,527.66 is: 39,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.78 : 51,738.75 = 28,527.66 : x
  2. Step 2: Convert to fraction form
    37,479.78/51,738.75 = 28,527.66/x
  3. Step 3: Cross multiply
    37,479.78x = 51,738.75 × 28,527.66
  4. Step 4: Simplify right side
    37,479.78x = 1,475,985,468.83
  5. Step 5: Solve for x
    x = 1,475,985,468.83/37,479.78
  6. Step 6: Final answer
    x = 39,380.85

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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.