Home / 49,604.19-68,420.48-30,750.63

Finding the Fourth Proportional to 49,604.19, 68,420.48 and 30,750.63

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Solution

The fourth proportional to 49,604.19, 68,420.48 and 30,750.63 is: 42,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,604.19 : 68,420.48 = 30,750.63 : x
  2. Step 2: Convert to fraction form
    49,604.19/68,420.48 = 30,750.63/x
  3. Step 3: Cross multiply
    49,604.19x = 68,420.48 × 30,750.63
  4. Step 4: Simplify right side
    49,604.19x = 2,103,972,711.15
  5. Step 5: Solve for x
    x = 2,103,972,711.15/49,604.19
  6. Step 6: Final answer
    x = 42,415.22

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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.