Home / 34,206.39-51,317.28-12,021.30

Finding the Fourth Proportional to 34,206.39, 51,317.28 and 12,021.30

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Solution

The fourth proportional to 34,206.39, 51,317.28 and 12,021.30 is: 18,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,206.39 : 51,317.28 = 12,021.30 : x
  2. Step 2: Convert to fraction form
    34,206.39/51,317.28 = 12,021.30/x
  3. Step 3: Cross multiply
    34,206.39x = 51,317.28 × 12,021.30
  4. Step 4: Simplify right side
    34,206.39x = 616,900,418.06
  5. Step 5: Solve for x
    x = 616,900,418.06/34,206.39
  6. Step 6: Final answer
    x = 18,034.65

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1.5x scale

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.