Home / 37,871.19-52,262.60-20,876.09

Finding the Fourth Proportional to 37,871.19, 52,262.60 and 20,876.09

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Solution

The fourth proportional to 37,871.19, 52,262.60 and 20,876.09 is: 28,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,871.19 : 52,262.60 = 20,876.09 : x
  2. Step 2: Convert to fraction form
    37,871.19/52,262.60 = 20,876.09/x
  3. Step 3: Cross multiply
    37,871.19x = 52,262.60 × 20,876.09
  4. Step 4: Simplify right side
    37,871.19x = 1,091,038,375.54
  5. Step 5: Solve for x
    x = 1,091,038,375.54/37,871.19
  6. Step 6: Final answer
    x = 28,809.19

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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.