Home / 31,166.28-43,007.76-19,230.48

Finding the Fourth Proportional to 31,166.28, 43,007.76 and 19,230.48

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Solution

The fourth proportional to 31,166.28, 43,007.76 and 19,230.48 is: 26,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,166.28 : 43,007.76 = 19,230.48 : x
  2. Step 2: Convert to fraction form
    31,166.28/43,007.76 = 19,230.48/x
  3. Step 3: Cross multiply
    31,166.28x = 43,007.76 × 19,230.48
  4. Step 4: Simplify right side
    31,166.28x = 827,059,868.52
  5. Step 5: Solve for x
    x = 827,059,868.52/31,166.28
  6. Step 6: Final answer
    x = 26,537.01

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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.