Home / 39,106.30-58,668-14,143.75

Finding the Fourth Proportional to 39,106.30, 58,668 and 14,143.75

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Solution

The fourth proportional to 39,106.30, 58,668 and 14,143.75 is: 21,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.30 : 58,668 = 14,143.75 : x
  2. Step 2: Convert to fraction form
    39,106.30/58,668 = 14,143.75/x
  3. Step 3: Cross multiply
    39,106.30x = 58,668 × 14,143.75
  4. Step 4: Simplify right side
    39,106.30x = 829,785,525
  5. Step 5: Solve for x
    x = 829,785,525/39,106.30
  6. Step 6: Final answer
    x = 21,218.72

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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.