Home / 34,643.40-51,917.28-15,876.76

Finding the Fourth Proportional to 34,643.40, 51,917.28 and 15,876.76

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Solution

The fourth proportional to 34,643.40, 51,917.28 and 15,876.76 is: 23,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.40 : 51,917.28 = 15,876.76 : x
  2. Step 2: Convert to fraction form
    34,643.40/51,917.28 = 15,876.76/x
  3. Step 3: Cross multiply
    34,643.40x = 51,917.28 × 15,876.76
  4. Step 4: Simplify right side
    34,643.40x = 824,278,194.41
  5. Step 5: Solve for x
    x = 824,278,194.41/34,643.40
  6. Step 6: Final answer
    x = 23,793.22

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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.