Home / 37,868.31-52,258.64-20,872.89

Finding the Fourth Proportional to 37,868.31, 52,258.64 and 20,872.89

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Solution

The fourth proportional to 37,868.31, 52,258.64 and 20,872.89 is: 28,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868.31 : 52,258.64 = 20,872.89 : x
  2. Step 2: Convert to fraction form
    37,868.31/52,258.64 = 20,872.89/x
  3. Step 3: Cross multiply
    37,868.31x = 52,258.64 × 20,872.89
  4. Step 4: Simplify right side
    37,868.31x = 1,090,788,739.91
  5. Step 5: Solve for x
    x = 1,090,788,739.91/37,868.31
  6. Step 6: Final answer
    x = 28,804.79

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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.