Home / 39,043.72-58,576.52-15,686.56

Finding the Fourth Proportional to 39,043.72, 58,576.52 and 15,686.56

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Solution

The fourth proportional to 39,043.72, 58,576.52 and 15,686.56 is: 23,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,043.72 : 58,576.52 = 15,686.56 : x
  2. Step 2: Convert to fraction form
    39,043.72/58,576.52 = 15,686.56/x
  3. Step 3: Cross multiply
    39,043.72x = 58,576.52 × 15,686.56
  4. Step 4: Simplify right side
    39,043.72x = 918,864,017.14
  5. Step 5: Solve for x
    x = 918,864,017.14/39,043.72
  6. Step 6: Final answer
    x = 23,534.23

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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.