Home / 39,959.66-55,146.13-22,969.42

Finding the Fourth Proportional to 39,959.66, 55,146.13 and 22,969.42

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Solution

The fourth proportional to 39,959.66, 55,146.13 and 22,969.42 is: 31,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.66 : 55,146.13 = 22,969.42 : x
  2. Step 2: Convert to fraction form
    39,959.66/55,146.13 = 22,969.42/x
  3. Step 3: Cross multiply
    39,959.66x = 55,146.13 × 22,969.42
  4. Step 4: Simplify right side
    39,959.66x = 1,266,674,621.34
  5. Step 5: Solve for x
    x = 1,266,674,621.34/39,959.66
  6. Step 6: Final answer
    x = 31,698.83

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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.