Home / 39,251.69-54,167.06-21,346.65

Finding the Fourth Proportional to 39,251.69, 54,167.06 and 21,346.65

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Solution

The fourth proportional to 39,251.69, 54,167.06 and 21,346.65 is: 29,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.69 : 54,167.06 = 21,346.65 : x
  2. Step 2: Convert to fraction form
    39,251.69/54,167.06 = 21,346.65/x
  3. Step 3: Cross multiply
    39,251.69x = 54,167.06 × 21,346.65
  4. Step 4: Simplify right side
    39,251.69x = 1,156,285,271.35
  5. Step 5: Solve for x
    x = 1,156,285,271.35/39,251.69
  6. Step 6: Final answer
    x = 29,458.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.