Home / 37,866.42-52,253.30-20,869.71

Finding the Fourth Proportional to 37,866.42, 52,253.30 and 20,869.71

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Solution

The fourth proportional to 37,866.42, 52,253.30 and 20,869.71 is: 28,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,866.42 : 52,253.30 = 20,869.71 : x
  2. Step 2: Convert to fraction form
    37,866.42/52,253.30 = 20,869.71/x
  3. Step 3: Cross multiply
    37,866.42x = 52,253.30 × 20,869.71
  4. Step 4: Simplify right side
    37,866.42x = 1,090,511,113.19
  5. Step 5: Solve for x
    x = 1,090,511,113.19/37,866.42
  6. Step 6: Final answer
    x = 28,798.90

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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.