Home / 39,214.26-58,828.68-12,920.85

Finding the Fourth Proportional to 39,214.26, 58,828.68 and 12,920.85

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Solution

The fourth proportional to 39,214.26, 58,828.68 and 12,920.85 is: 19,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.26 : 58,828.68 = 12,920.85 : x
  2. Step 2: Convert to fraction form
    39,214.26/58,828.68 = 12,920.85/x
  3. Step 3: Cross multiply
    39,214.26x = 58,828.68 × 12,920.85
  4. Step 4: Simplify right side
    39,214.26x = 760,116,549.98
  5. Step 5: Solve for x
    x = 760,116,549.98/39,214.26
  6. Step 6: Final answer
    x = 19,383.68

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1.5x scale

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.