Home / 39,101-58,639.32-12,799.88

Finding the Fourth Proportional to 39,101, 58,639.32 and 12,799.88

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Solution

The fourth proportional to 39,101, 58,639.32 and 12,799.88 is: 19,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,101 : 58,639.32 = 12,799.88 : x
  2. Step 2: Convert to fraction form
    39,101/58,639.32 = 12,799.88/x
  3. Step 3: Cross multiply
    39,101x = 58,639.32 × 12,799.88
  4. Step 4: Simplify right side
    39,101x = 750,576,259.28
  5. Step 5: Solve for x
    x = 750,576,259.28/39,101
  6. Step 6: Final answer
    x = 19,195.83

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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.