Home / 48,828.19-67,390.08-30,924.85

Finding the Fourth Proportional to 48,828.19, 67,390.08 and 30,924.85

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Solution

The fourth proportional to 48,828.19, 67,390.08 and 30,924.85 is: 42,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,828.19 : 67,390.08 = 30,924.85 : x
  2. Step 2: Convert to fraction form
    48,828.19/67,390.08 = 30,924.85/x
  3. Step 3: Cross multiply
    48,828.19x = 67,390.08 × 30,924.85
  4. Step 4: Simplify right side
    48,828.19x = 2,084,028,115.49
  5. Step 5: Solve for x
    x = 2,084,028,115.49/48,828.19
  6. Step 6: Final answer
    x = 42,680.84

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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.