Home / 48,820.68-73,240.82-20,740.51

Finding the Fourth Proportional to 48,820.68, 73,240.82 and 20,740.51

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Solution

The fourth proportional to 48,820.68, 73,240.82 and 20,740.51 is: 31,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,820.68 : 73,240.82 = 20,740.51 : x
  2. Step 2: Convert to fraction form
    48,820.68/73,240.82 = 20,740.51/x
  3. Step 3: Cross multiply
    48,820.68x = 73,240.82 × 20,740.51
  4. Step 4: Simplify right side
    48,820.68x = 1,519,051,959.62
  5. Step 5: Solve for x
    x = 1,519,051,959.62/48,820.68
  6. Step 6: Final answer
    x = 31,114.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.