Home / 39,167.58-58,738.93-12,866.20

Finding the Fourth Proportional to 39,167.58, 58,738.93 and 12,866.20

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Solution

The fourth proportional to 39,167.58, 58,738.93 and 12,866.20 is: 19,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167.58 : 58,738.93 = 12,866.20 : x
  2. Step 2: Convert to fraction form
    39,167.58/58,738.93 = 12,866.20/x
  3. Step 3: Cross multiply
    39,167.58x = 58,738.93 × 12,866.20
  4. Step 4: Simplify right side
    39,167.58x = 755,746,821.17
  5. Step 5: Solve for x
    x = 755,746,821.17/39,167.58
  6. Step 6: Final answer
    x = 19,295.21

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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.