Home / 51,626.60-77,468.10-20,037.90

Finding the Fourth Proportional to 51,626.60, 77,468.10 and 20,037.90

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Solution

The fourth proportional to 51,626.60, 77,468.10 and 20,037.90 is: 30,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,626.60 : 77,468.10 = 20,037.90 : x
  2. Step 2: Convert to fraction form
    51,626.60/77,468.10 = 20,037.90/x
  3. Step 3: Cross multiply
    51,626.60x = 77,468.10 × 20,037.90
  4. Step 4: Simplify right side
    51,626.60x = 1,552,298,040.99
  5. Step 5: Solve for x
    x = 1,552,298,040.99/51,626.60
  6. Step 6: Final answer
    x = 30,067.80

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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.