Home / 52,161.92-71,982.96-28,289.12

Finding the Fourth Proportional to 52,161.92, 71,982.96 and 28,289.12

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Solution

The fourth proportional to 52,161.92, 71,982.96 and 28,289.12 is: 39,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.92 : 71,982.96 = 28,289.12 : x
  2. Step 2: Convert to fraction form
    52,161.92/71,982.96 = 28,289.12/x
  3. Step 3: Cross multiply
    52,161.92x = 71,982.96 × 28,289.12
  4. Step 4: Simplify right side
    52,161.92x = 2,036,334,593.40
  5. Step 5: Solve for x
    x = 2,036,334,593.40/52,161.92
  6. Step 6: Final answer
    x = 39,038.72

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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.