Home / 34,219.31-47,221.68-19,111.53

Finding the Fourth Proportional to 34,219.31, 47,221.68 and 19,111.53

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Solution

The fourth proportional to 34,219.31, 47,221.68 and 19,111.53 is: 26,373.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,219.31 : 47,221.68 = 19,111.53 : x
  2. Step 2: Convert to fraction form
    34,219.31/47,221.68 = 19,111.53/x
  3. Step 3: Cross multiply
    34,219.31x = 47,221.68 × 19,111.53
  4. Step 4: Simplify right side
    34,219.31x = 902,478,553.97
  5. Step 5: Solve for x
    x = 902,478,553.97/34,219.31
  6. Step 6: Final answer
    x = 26,373.37

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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.