Home / 39,128.11-58,696.73-14,179.91

Finding the Fourth Proportional to 39,128.11, 58,696.73 and 14,179.91

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Solution

The fourth proportional to 39,128.11, 58,696.73 and 14,179.91 is: 21,271.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.11 : 58,696.73 = 14,179.91 : x
  2. Step 2: Convert to fraction form
    39,128.11/58,696.73 = 14,179.91/x
  3. Step 3: Cross multiply
    39,128.11x = 58,696.73 × 14,179.91
  4. Step 4: Simplify right side
    39,128.11x = 832,314,348.69
  5. Step 5: Solve for x
    x = 832,314,348.69/39,128.11
  6. Step 6: Final answer
    x = 21,271.52

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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.