Home / 34,530.53-51,788.30-12,345.44

Finding the Fourth Proportional to 34,530.53, 51,788.30 and 12,345.44

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Solution

The fourth proportional to 34,530.53, 51,788.30 and 12,345.44 is: 18,515.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.53 : 51,788.30 = 12,345.44 : x
  2. Step 2: Convert to fraction form
    34,530.53/51,788.30 = 12,345.44/x
  3. Step 3: Cross multiply
    34,530.53x = 51,788.30 × 12,345.44
  4. Step 4: Simplify right side
    34,530.53x = 639,349,029.68
  5. Step 5: Solve for x
    x = 639,349,029.68/34,530.53
  6. Step 6: Final answer
    x = 18,515.47

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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.