Home / 35,431.31-53,151.84-15,709.43

Finding the Fourth Proportional to 35,431.31, 53,151.84 and 15,709.43

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Solution

The fourth proportional to 35,431.31, 53,151.84 and 15,709.43 is: 23,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.31 : 53,151.84 = 15,709.43 : x
  2. Step 2: Convert to fraction form
    35,431.31/53,151.84 = 15,709.43/x
  3. Step 3: Cross multiply
    35,431.31x = 53,151.84 × 15,709.43
  4. Step 4: Simplify right side
    35,431.31x = 834,984,765.54
  5. Step 5: Solve for x
    x = 834,984,765.54/35,431.31
  6. Step 6: Final answer
    x = 23,566.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.