Home / 39,240.72-58,863.96-15,866.64

Finding the Fourth Proportional to 39,240.72, 58,863.96 and 15,866.64

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Solution

The fourth proportional to 39,240.72, 58,863.96 and 15,866.64 is: 23,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.72 : 58,863.96 = 15,866.64 : x
  2. Step 2: Convert to fraction form
    39,240.72/58,863.96 = 15,866.64/x
  3. Step 3: Cross multiply
    39,240.72x = 58,863.96 × 15,866.64
  4. Step 4: Simplify right side
    39,240.72x = 933,973,262.29
  5. Step 5: Solve for x
    x = 933,973,262.29/39,240.72
  6. Step 6: Final answer
    x = 23,801.12

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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.