Home / 37,987.21-56,949.99-15,817.17

Finding the Fourth Proportional to 37,987.21, 56,949.99 and 15,817.17

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Solution

The fourth proportional to 37,987.21, 56,949.99 and 15,817.17 is: 23,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,987.21 : 56,949.99 = 15,817.17 : x
  2. Step 2: Convert to fraction form
    37,987.21/56,949.99 = 15,817.17/x
  3. Step 3: Cross multiply
    37,987.21x = 56,949.99 × 15,817.17
  4. Step 4: Simplify right side
    37,987.21x = 900,787,827.58
  5. Step 5: Solve for x
    x = 900,787,827.58/37,987.21
  6. Step 6: Final answer
    x = 23,712.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.