Home / 34,353.14-51,512-20,317.46

Finding the Fourth Proportional to 34,353.14, 51,512 and 20,317.46

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Solution

The fourth proportional to 34,353.14, 51,512 and 20,317.46 is: 30,465.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353.14 : 51,512 = 20,317.46 : x
  2. Step 2: Convert to fraction form
    34,353.14/51,512 = 20,317.46/x
  3. Step 3: Cross multiply
    34,353.14x = 51,512 × 20,317.46
  4. Step 4: Simplify right side
    34,353.14x = 1,046,592,999.52
  5. Step 5: Solve for x
    x = 1,046,592,999.52/34,353.14
  6. Step 6: Final answer
    x = 30,465.72

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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.