Home / 34,231.15-47,234.32-19,121.89

Finding the Fourth Proportional to 34,231.15, 47,234.32 and 19,121.89

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Solution

The fourth proportional to 34,231.15, 47,234.32 and 19,121.89 is: 26,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.15 : 47,234.32 = 19,121.89 : x
  2. Step 2: Convert to fraction form
    34,231.15/47,234.32 = 19,121.89/x
  3. Step 3: Cross multiply
    34,231.15x = 47,234.32 × 19,121.89
  4. Step 4: Simplify right side
    34,231.15x = 903,209,471.26
  5. Step 5: Solve for x
    x = 903,209,471.26/34,231.15
  6. Step 6: Final answer
    x = 26,385.60

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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.