Home / 37,632.30-51,933.17-20,638.09

Finding the Fourth Proportional to 37,632.30, 51,933.17 and 20,638.09

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Solution

The fourth proportional to 37,632.30, 51,933.17 and 20,638.09 is: 28,480.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,632.30 : 51,933.17 = 20,638.09 : x
  2. Step 2: Convert to fraction form
    37,632.30/51,933.17 = 20,638.09/x
  3. Step 3: Cross multiply
    37,632.30x = 51,933.17 × 20,638.09
  4. Step 4: Simplify right side
    37,632.30x = 1,071,801,436.45
  5. Step 5: Solve for x
    x = 1,071,801,436.45/37,632.30
  6. Step 6: Final answer
    x = 28,480.89

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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.