Home / 34,127.70-47,125.32-21,402.30

Finding the Fourth Proportional to 34,127.70, 47,125.32 and 21,402.30

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Solution

The fourth proportional to 34,127.70, 47,125.32 and 21,402.30 is: 29,553.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,127.70 : 47,125.32 = 21,402.30 : x
  2. Step 2: Convert to fraction form
    34,127.70/47,125.32 = 21,402.30/x
  3. Step 3: Cross multiply
    34,127.70x = 47,125.32 × 21,402.30
  4. Step 4: Simplify right side
    34,127.70x = 1,008,590,236.24
  5. Step 5: Solve for x
    x = 1,008,590,236.24/34,127.70
  6. Step 6: Final answer
    x = 29,553.42

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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.