Home / 56,919.07-85,382.73-21,858.73

Finding the Fourth Proportional to 56,919.07, 85,382.73 and 21,858.73

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Solution

The fourth proportional to 56,919.07, 85,382.73 and 21,858.73 is: 32,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,919.07 : 85,382.73 = 21,858.73 : x
  2. Step 2: Convert to fraction form
    56,919.07/85,382.73 = 21,858.73/x
  3. Step 3: Cross multiply
    56,919.07x = 85,382.73 × 21,858.73
  4. Step 4: Simplify right side
    56,919.07x = 1,866,358,041.73
  5. Step 5: Solve for x
    x = 1,866,358,041.73/56,919.07
  6. Step 6: Final answer
    x = 32,789.68

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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.