Home / 39,960.16-55,146.82-22,969.92

Finding the Fourth Proportional to 39,960.16, 55,146.82 and 22,969.92

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Solution

The fourth proportional to 39,960.16, 55,146.82 and 22,969.92 is: 31,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960.16 : 55,146.82 = 22,969.92 : x
  2. Step 2: Convert to fraction form
    39,960.16/55,146.82 = 22,969.92/x
  3. Step 3: Cross multiply
    39,960.16x = 55,146.82 × 22,969.92
  4. Step 4: Simplify right side
    39,960.16x = 1,266,718,043.65
  5. Step 5: Solve for x
    x = 1,266,718,043.65/39,960.16
  6. Step 6: Final answer
    x = 31,699.52

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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.