Home / 34,353.79-51,438.31-21,805.88

Finding the Fourth Proportional to 34,353.79, 51,438.31 and 21,805.88

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Solution

The fourth proportional to 34,353.79, 51,438.31 and 21,805.88 is: 32,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,353.79 : 51,438.31 = 21,805.88 : x
  2. Step 2: Convert to fraction form
    34,353.79/51,438.31 = 21,805.88/x
  3. Step 3: Cross multiply
    34,353.79x = 51,438.31 × 21,805.88
  4. Step 4: Simplify right side
    34,353.79x = 1,121,657,303.56
  5. Step 5: Solve for x
    x = 1,121,657,303.56/34,353.79
  6. Step 6: Final answer
    x = 32,650.18

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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.