Home / 39,252.96-54,168.54-21,348.12

Finding the Fourth Proportional to 39,252.96, 54,168.54 and 21,348.12

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Solution

The fourth proportional to 39,252.96, 54,168.54 and 21,348.12 is: 29,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.96 : 54,168.54 = 21,348.12 : x
  2. Step 2: Convert to fraction form
    39,252.96/54,168.54 = 21,348.12/x
  3. Step 3: Cross multiply
    39,252.96x = 54,168.54 × 21,348.12
  4. Step 4: Simplify right side
    39,252.96x = 1,156,396,492.14
  5. Step 5: Solve for x
    x = 1,156,396,492.14/39,252.96
  6. Step 6: Final answer
    x = 29,460.11

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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.