Home / 39,965.66-55,148.67-22,059.50

Finding the Fourth Proportional to 39,965.66, 55,148.67 and 22,059.50

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Solution

The fourth proportional to 39,965.66, 55,148.67 and 22,059.50 is: 30,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.66 : 55,148.67 = 22,059.50 : x
  2. Step 2: Convert to fraction form
    39,965.66/55,148.67 = 22,059.50/x
  3. Step 3: Cross multiply
    39,965.66x = 55,148.67 × 22,059.50
  4. Step 4: Simplify right side
    39,965.66x = 1,216,552,223.74
  5. Step 5: Solve for x
    x = 1,216,552,223.74/39,965.66
  6. Step 6: Final answer
    x = 30,439.94

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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.