Home / 34,120.48-47,096.40-21,553.60

Finding the Fourth Proportional to 34,120.48, 47,096.40 and 21,553.60

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Solution

The fourth proportional to 34,120.48, 47,096.40 and 21,553.60 is: 29,750.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.48 : 47,096.40 = 21,553.60 : x
  2. Step 2: Convert to fraction form
    34,120.48/47,096.40 = 21,553.60/x
  3. Step 3: Cross multiply
    34,120.48x = 47,096.40 × 21,553.60
  4. Step 4: Simplify right side
    34,120.48x = 1,015,096,967.04
  5. Step 5: Solve for x
    x = 1,015,096,967.04/34,120.48
  6. Step 6: Final answer
    x = 29,750.37

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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.