Home / 29,315.16-40,488.33-19,867.32

Finding the Fourth Proportional to 29,315.16, 40,488.33 and 19,867.32

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Solution

The fourth proportional to 29,315.16, 40,488.33 and 19,867.32 is: 27,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.16 : 40,488.33 = 19,867.32 : x
  2. Step 2: Convert to fraction form
    29,315.16/40,488.33 = 19,867.32/x
  3. Step 3: Cross multiply
    29,315.16x = 40,488.33 × 19,867.32
  4. Step 4: Simplify right side
    29,315.16x = 804,394,608.38
  5. Step 5: Solve for x
    x = 804,394,608.38/29,315.16
  6. Step 6: Final answer
    x = 27,439.54

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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.