Home / 34,127.79-47,125.38-21,402.29

Finding the Fourth Proportional to 34,127.79, 47,125.38 and 21,402.29

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Solution

The fourth proportional to 34,127.79, 47,125.38 and 21,402.29 is: 29,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,127.79 : 47,125.38 = 21,402.29 : x
  2. Step 2: Convert to fraction form
    34,127.79/47,125.38 = 21,402.29/x
  3. Step 3: Cross multiply
    34,127.79x = 47,125.38 × 21,402.29
  4. Step 4: Simplify right side
    34,127.79x = 1,008,590,813.49
  5. Step 5: Solve for x
    x = 1,008,590,813.49/34,127.79
  6. Step 6: Final answer
    x = 29,553.36

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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.