Home / 39,492.96-54,501.75-21,589.17

Finding the Fourth Proportional to 39,492.96, 54,501.75 and 21,589.17

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Solution

The fourth proportional to 39,492.96, 54,501.75 and 21,589.17 is: 29,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,492.96 : 54,501.75 = 21,589.17 : x
  2. Step 2: Convert to fraction form
    39,492.96/54,501.75 = 21,589.17/x
  3. Step 3: Cross multiply
    39,492.96x = 54,501.75 × 21,589.17
  4. Step 4: Simplify right side
    39,492.96x = 1,176,647,546.05
  5. Step 5: Solve for x
    x = 1,176,647,546.05/39,492.96
  6. Step 6: Final answer
    x = 29,793.86

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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.