Home / 37,119.78-51,225.30-20,353.86

Finding the Fourth Proportional to 37,119.78, 51,225.30 and 20,353.86

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Solution

The fourth proportional to 37,119.78, 51,225.30 and 20,353.86 is: 28,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,119.78 : 51,225.30 = 20,353.86 : x
  2. Step 2: Convert to fraction form
    37,119.78/51,225.30 = 20,353.86/x
  3. Step 3: Cross multiply
    37,119.78x = 51,225.30 × 20,353.86
  4. Step 4: Simplify right side
    37,119.78x = 1,042,632,584.66
  5. Step 5: Solve for x
    x = 1,042,632,584.66/37,119.78
  6. Step 6: Final answer
    x = 28,088.33

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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.