Home / 39,572.60-54,610.18-21,667.61

Finding the Fourth Proportional to 39,572.60, 54,610.18 and 21,667.61

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Solution

The fourth proportional to 39,572.60, 54,610.18 and 21,667.61 is: 29,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.60 : 54,610.18 = 21,667.61 : x
  2. Step 2: Convert to fraction form
    39,572.60/54,610.18 = 21,667.61/x
  3. Step 3: Cross multiply
    39,572.60x = 54,610.18 × 21,667.61
  4. Step 4: Simplify right side
    39,572.60x = 1,183,271,755.05
  5. Step 5: Solve for x
    x = 1,183,271,755.05/39,572.60
  6. Step 6: Final answer
    x = 29,901.29

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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.