Home / 37,479.72-51,722.10-20,713.80

Finding the Fourth Proportional to 37,479.72, 51,722.10 and 20,713.80

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Solution

The fourth proportional to 37,479.72, 51,722.10 and 20,713.80 is: 28,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,479.72 : 51,722.10 = 20,713.80 : x
  2. Step 2: Convert to fraction form
    37,479.72/51,722.10 = 20,713.80/x
  3. Step 3: Cross multiply
    37,479.72x = 51,722.10 × 20,713.80
  4. Step 4: Simplify right side
    37,479.72x = 1,071,361,234.98
  5. Step 5: Solve for x
    x = 1,071,361,234.98/37,479.72
  6. Step 6: Final answer
    x = 28,585.09

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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.