Home / 34,104.78-47,094.38-21,379.89

Finding the Fourth Proportional to 34,104.78, 47,094.38 and 21,379.89

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Solution

The fourth proportional to 34,104.78, 47,094.38 and 21,379.89 is: 29,522.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,104.78 : 47,094.38 = 21,379.89 : x
  2. Step 2: Convert to fraction form
    34,104.78/47,094.38 = 21,379.89/x
  3. Step 3: Cross multiply
    34,104.78x = 47,094.38 × 21,379.89
  4. Step 4: Simplify right side
    34,104.78x = 1,006,872,557.12
  5. Step 5: Solve for x
    x = 1,006,872,557.12/34,104.78
  6. Step 6: Final answer
    x = 29,522.92

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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.