Home / 36,689.31-55,022.45-15,629.13

Finding the Fourth Proportional to 36,689.31, 55,022.45 and 15,629.13

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Solution

The fourth proportional to 36,689.31, 55,022.45 and 15,629.13 is: 23,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.31 : 55,022.45 = 15,629.13 : x
  2. Step 2: Convert to fraction form
    36,689.31/55,022.45 = 15,629.13/x
  3. Step 3: Cross multiply
    36,689.31x = 55,022.45 × 15,629.13
  4. Step 4: Simplify right side
    36,689.31x = 859,952,945.82
  5. Step 5: Solve for x
    x = 859,952,945.82/36,689.31
  6. Step 6: Final answer
    x = 23,438.79

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1.5x scale

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.