Home / 34,220.48-47,220.88-19,111.92

Finding the Fourth Proportional to 34,220.48, 47,220.88 and 19,111.92

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Solution

The fourth proportional to 34,220.48, 47,220.88 and 19,111.92 is: 26,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.48 : 47,220.88 = 19,111.92 : x
  2. Step 2: Convert to fraction form
    34,220.48/47,220.88 = 19,111.92/x
  3. Step 3: Cross multiply
    34,220.48x = 47,220.88 × 19,111.92
  4. Step 4: Simplify right side
    34,220.48x = 902,481,680.89
  5. Step 5: Solve for x
    x = 902,481,680.89/34,220.48
  6. Step 6: Final answer
    x = 26,372.56

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Double scale
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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.