Home / 54,685.96-82,035.77-21,401.72

Finding the Fourth Proportional to 54,685.96, 82,035.77 and 21,401.72

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Solution

The fourth proportional to 54,685.96, 82,035.77 and 21,401.72 is: 32,105.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,685.96 : 82,035.77 = 21,401.72 : x
  2. Step 2: Convert to fraction form
    54,685.96/82,035.77 = 21,401.72/x
  3. Step 3: Cross multiply
    54,685.96x = 82,035.77 × 21,401.72
  4. Step 4: Simplify right side
    54,685.96x = 1,755,706,579.52
  5. Step 5: Solve for x
    x = 1,755,706,579.52/54,685.96
  6. Step 6: Final answer
    x = 32,105.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.