Home / 34,401.72-47,455.14-21,650.14

Finding the Fourth Proportional to 34,401.72, 47,455.14 and 21,650.14

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Solution

The fourth proportional to 34,401.72, 47,455.14 and 21,650.14 is: 29,865.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,401.72 : 47,455.14 = 21,650.14 : x
  2. Step 2: Convert to fraction form
    34,401.72/47,455.14 = 21,650.14/x
  3. Step 3: Cross multiply
    34,401.72x = 47,455.14 × 21,650.14
  4. Step 4: Simplify right side
    34,401.72x = 1,027,410,424.72
  5. Step 5: Solve for x
    x = 1,027,410,424.72/34,401.72
  6. Step 6: Final answer
    x = 29,865.09

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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.