Home / 51,919.01-77,878.52-14,477.57

Finding the Fourth Proportional to 51,919.01, 77,878.52 and 14,477.57

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Solution

The fourth proportional to 51,919.01, 77,878.52 and 14,477.57 is: 21,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,919.01 : 77,878.52 = 14,477.57 : x
  2. Step 2: Convert to fraction form
    51,919.01/77,878.52 = 14,477.57/x
  3. Step 3: Cross multiply
    51,919.01x = 77,878.52 × 14,477.57
  4. Step 4: Simplify right side
    51,919.01x = 1,127,491,724.80
  5. Step 5: Solve for x
    x = 1,127,491,724.80/51,919.01
  6. Step 6: Final answer
    x = 21,716.36

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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.