Home / 37,378.38-51,582.55-20,611.98

Finding the Fourth Proportional to 37,378.38, 51,582.55 and 20,611.98

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Solution

The fourth proportional to 37,378.38, 51,582.55 and 20,611.98 is: 28,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.38 : 51,582.55 = 20,611.98 : x
  2. Step 2: Convert to fraction form
    37,378.38/51,582.55 = 20,611.98/x
  3. Step 3: Cross multiply
    37,378.38x = 51,582.55 × 20,611.98
  4. Step 4: Simplify right side
    37,378.38x = 1,063,218,488.95
  5. Step 5: Solve for x
    x = 1,063,218,488.95/37,378.38
  6. Step 6: Final answer
    x = 28,444.75

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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.