Home / 49,002.45-67,621.47-27,782.48

Finding the Fourth Proportional to 49,002.45, 67,621.47 and 27,782.48

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Solution

The fourth proportional to 49,002.45, 67,621.47 and 27,782.48 is: 38,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,002.45 : 67,621.47 = 27,782.48 : x
  2. Step 2: Convert to fraction form
    49,002.45/67,621.47 = 27,782.48/x
  3. Step 3: Cross multiply
    49,002.45x = 67,621.47 × 27,782.48
  4. Step 4: Simplify right side
    49,002.45x = 1,878,691,799.74
  5. Step 5: Solve for x
    x = 1,878,691,799.74/49,002.45
  6. Step 6: Final answer
    x = 38,338.73

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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.