Home / 34,538.06-51,794.40-12,345.42

Finding the Fourth Proportional to 34,538.06, 51,794.40 and 12,345.42

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Solution

The fourth proportional to 34,538.06, 51,794.40 and 12,345.42 is: 18,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,538.06 : 51,794.40 = 12,345.42 : x
  2. Step 2: Convert to fraction form
    34,538.06/51,794.40 = 12,345.42/x
  3. Step 3: Cross multiply
    34,538.06x = 51,794.40 × 12,345.42
  4. Step 4: Simplify right side
    34,538.06x = 639,423,621.65
  5. Step 5: Solve for x
    x = 639,423,621.65/34,538.06
  6. Step 6: Final answer
    x = 18,513.59

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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.