Home / 39,965.08-55,151.70-22,059.98

Finding the Fourth Proportional to 39,965.08, 55,151.70 and 22,059.98

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Solution

The fourth proportional to 39,965.08, 55,151.70 and 22,059.98 is: 30,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.08 : 55,151.70 = 22,059.98 : x
  2. Step 2: Convert to fraction form
    39,965.08/55,151.70 = 22,059.98/x
  3. Step 3: Cross multiply
    39,965.08x = 55,151.70 × 22,059.98
  4. Step 4: Simplify right side
    39,965.08x = 1,216,645,398.97
  5. Step 5: Solve for x
    x = 1,216,645,398.97/39,965.08
  6. Step 6: Final answer
    x = 30,442.71

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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.