Home / 39,231.80-58,829.16-14,254.43

Finding the Fourth Proportional to 39,231.80, 58,829.16 and 14,254.43

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Solution

The fourth proportional to 39,231.80, 58,829.16 and 14,254.43 is: 21,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.80 : 58,829.16 = 14,254.43 : x
  2. Step 2: Convert to fraction form
    39,231.80/58,829.16 = 14,254.43/x
  3. Step 3: Cross multiply
    39,231.80x = 58,829.16 × 14,254.43
  4. Step 4: Simplify right side
    39,231.80x = 838,576,143.18
  5. Step 5: Solve for x
    x = 838,576,143.18/39,231.80
  6. Step 6: Final answer
    x = 21,374.91

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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.