Home / 34,101.70-51,152.40-15,359.78

Finding the Fourth Proportional to 34,101.70, 51,152.40 and 15,359.78

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Solution

The fourth proportional to 34,101.70, 51,152.40 and 15,359.78 is: 23,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,101.70 : 51,152.40 = 15,359.78 : x
  2. Step 2: Convert to fraction form
    34,101.70/51,152.40 = 15,359.78/x
  3. Step 3: Cross multiply
    34,101.70x = 51,152.40 × 15,359.78
  4. Step 4: Simplify right side
    34,101.70x = 785,689,610.47
  5. Step 5: Solve for x
    x = 785,689,610.47/34,101.70
  6. Step 6: Final answer
    x = 23,039.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.