Home / 51,395.52-77,122.44-20,252.64

Finding the Fourth Proportional to 51,395.52, 77,122.44 and 20,252.64

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Solution

The fourth proportional to 51,395.52, 77,122.44 and 20,252.64 is: 30,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,395.52 : 77,122.44 = 20,252.64 : x
  2. Step 2: Convert to fraction form
    51,395.52/77,122.44 = 20,252.64/x
  3. Step 3: Cross multiply
    51,395.52x = 77,122.44 × 20,252.64
  4. Step 4: Simplify right side
    51,395.52x = 1,561,933,013.24
  5. Step 5: Solve for x
    x = 1,561,933,013.24/51,395.52
  6. Step 6: Final answer
    x = 30,390.45

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1.5x scale

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.