Home / 29,987.58-41,387.84-17,889.62

Finding the Fourth Proportional to 29,987.58, 41,387.84 and 17,889.62

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Solution

The fourth proportional to 29,987.58, 41,387.84 and 17,889.62 is: 24,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.58 : 41,387.84 = 17,889.62 : x
  2. Step 2: Convert to fraction form
    29,987.58/41,387.84 = 17,889.62/x
  3. Step 3: Cross multiply
    29,987.58x = 41,387.84 × 17,889.62
  4. Step 4: Simplify right side
    29,987.58x = 740,412,433.83
  5. Step 5: Solve for x
    x = 740,412,433.83/29,987.58
  6. Step 6: Final answer
    x = 24,690.64

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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.