Home / 39,252.65-54,166.43-21,347.65

Finding the Fourth Proportional to 39,252.65, 54,166.43 and 21,347.65

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Solution

The fourth proportional to 39,252.65, 54,166.43 and 21,347.65 is: 29,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.65 : 54,166.43 = 21,347.65 : x
  2. Step 2: Convert to fraction form
    39,252.65/54,166.43 = 21,347.65/x
  3. Step 3: Cross multiply
    39,252.65x = 54,166.43 × 21,347.65
  4. Step 4: Simplify right side
    39,252.65x = 1,156,325,685.70
  5. Step 5: Solve for x
    x = 1,156,325,685.70/39,252.65
  6. Step 6: Final answer
    x = 29,458.54

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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.