Home / 52,481.99-72,424.40-28,608.75

Finding the Fourth Proportional to 52,481.99, 72,424.40 and 28,608.75

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Solution

The fourth proportional to 52,481.99, 72,424.40 and 28,608.75 is: 39,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.99 : 72,424.40 = 28,608.75 : x
  2. Step 2: Convert to fraction form
    52,481.99/72,424.40 = 28,608.75/x
  3. Step 3: Cross multiply
    52,481.99x = 72,424.40 × 28,608.75
  4. Step 4: Simplify right side
    52,481.99x = 2,071,971,553.50
  5. Step 5: Solve for x
    x = 2,071,971,553.50/52,481.99
  6. Step 6: Final answer
    x = 39,479.67

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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.