Home / 29,208.88-40,281.79-19,133.65

Finding the Fourth Proportional to 29,208.88, 40,281.79 and 19,133.65

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Solution

The fourth proportional to 29,208.88, 40,281.79 and 19,133.65 is: 26,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.88 : 40,281.79 = 19,133.65 : x
  2. Step 2: Convert to fraction form
    29,208.88/40,281.79 = 19,133.65/x
  3. Step 3: Cross multiply
    29,208.88x = 40,281.79 × 19,133.65
  4. Step 4: Simplify right side
    29,208.88x = 770,737,671.23
  5. Step 5: Solve for x
    x = 770,737,671.23/29,208.88
  6. Step 6: Final answer
    x = 26,387.10

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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.