Home / 34,222.61-47,226.78-19,115.91

Finding the Fourth Proportional to 34,222.61, 47,226.78 and 19,115.91

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Solution

The fourth proportional to 34,222.61, 47,226.78 and 19,115.91 is: 26,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,222.61 : 47,226.78 = 19,115.91 : x
  2. Step 2: Convert to fraction form
    34,222.61/47,226.78 = 19,115.91/x
  3. Step 3: Cross multiply
    34,222.61x = 47,226.78 × 19,115.91
  4. Step 4: Simplify right side
    34,222.61x = 902,782,743.24
  5. Step 5: Solve for x
    x = 902,782,743.24/34,222.61
  6. Step 6: Final answer
    x = 26,379.72

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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.