Home / 39,658.29-59,469.95-18,581.36

Finding the Fourth Proportional to 39,658.29, 59,469.95 and 18,581.36

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Solution

The fourth proportional to 39,658.29, 59,469.95 and 18,581.36 is: 27,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,658.29 : 59,469.95 = 18,581.36 : x
  2. Step 2: Convert to fraction form
    39,658.29/59,469.95 = 18,581.36/x
  3. Step 3: Cross multiply
    39,658.29x = 59,469.95 × 18,581.36
  4. Step 4: Simplify right side
    39,658.29x = 1,105,032,159.88
  5. Step 5: Solve for x
    x = 1,105,032,159.88/39,658.29
  6. Step 6: Final answer
    x = 27,863.84

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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.