Home / 52,355.09-72,249.23-28,481.22

Finding the Fourth Proportional to 52,355.09, 72,249.23 and 28,481.22

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Solution

The fourth proportional to 52,355.09, 72,249.23 and 28,481.22 is: 39,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,355.09 : 72,249.23 = 28,481.22 : x
  2. Step 2: Convert to fraction form
    52,355.09/72,249.23 = 28,481.22/x
  3. Step 3: Cross multiply
    52,355.09x = 72,249.23 × 28,481.22
  4. Step 4: Simplify right side
    52,355.09x = 2,057,746,285.66
  5. Step 5: Solve for x
    x = 2,057,746,285.66/52,355.09
  6. Step 6: Final answer
    x = 39,303.65

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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.