Home / 39,965.66-55,152.31-22,060.66

Finding the Fourth Proportional to 39,965.66, 55,152.31 and 22,060.66

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Solution

The fourth proportional to 39,965.66, 55,152.31 and 22,060.66 is: 30,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.66 : 55,152.31 = 22,060.66 : x
  2. Step 2: Convert to fraction form
    39,965.66/55,152.31 = 22,060.66/x
  3. Step 3: Cross multiply
    39,965.66x = 55,152.31 × 22,060.66
  4. Step 4: Simplify right side
    39,965.66x = 1,216,696,359.12
  5. Step 5: Solve for x
    x = 1,216,696,359.12/39,965.66
  6. Step 6: Final answer
    x = 30,443.54

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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.