Home / 34,128.92-47,098.86-19,982.36

Finding the Fourth Proportional to 34,128.92, 47,098.86 and 19,982.36

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Solution

The fourth proportional to 34,128.92, 47,098.86 and 19,982.36 is: 27,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.92 : 47,098.86 = 19,982.36 : x
  2. Step 2: Convert to fraction form
    34,128.92/47,098.86 = 19,982.36/x
  3. Step 3: Cross multiply
    34,128.92x = 47,098.86 × 19,982.36
  4. Step 4: Simplify right side
    34,128.92x = 941,146,376.11
  5. Step 5: Solve for x
    x = 941,146,376.11/34,128.92
  6. Step 6: Final answer
    x = 27,576.21

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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.