Home / 33,400.74-45,988.11-28,354.50

Finding the Fourth Proportional to 33,400.74, 45,988.11 and 28,354.50

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Solution

The fourth proportional to 33,400.74, 45,988.11 and 28,354.50 is: 39,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.74 : 45,988.11 = 28,354.50 : x
  2. Step 2: Convert to fraction form
    33,400.74/45,988.11 = 28,354.50/x
  3. Step 3: Cross multiply
    33,400.74x = 45,988.11 × 28,354.50
  4. Step 4: Simplify right side
    33,400.74x = 1,303,969,865.00
  5. Step 5: Solve for x
    x = 1,303,969,865.00/33,400.74
  6. Step 6: Final answer
    x = 39,040.15

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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.