Home / 37,510.08-51,761.88-20,742

Finding the Fourth Proportional to 37,510.08, 51,761.88 and 20,742

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Solution

The fourth proportional to 37,510.08, 51,761.88 and 20,742 is: 28,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,510.08 : 51,761.88 = 20,742 : x
  2. Step 2: Convert to fraction form
    37,510.08/51,761.88 = 20,742/x
  3. Step 3: Cross multiply
    37,510.08x = 51,761.88 × 20,742
  4. Step 4: Simplify right side
    37,510.08x = 1,073,644,914.96
  5. Step 5: Solve for x
    x = 1,073,644,914.96/37,510.08
  6. Step 6: Final answer
    x = 28,622.84

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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.