Home / 34,220.31-51,335.64-15,499.91

Finding the Fourth Proportional to 34,220.31, 51,335.64 and 15,499.91

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Solution

The fourth proportional to 34,220.31, 51,335.64 and 15,499.91 is: 23,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.31 : 51,335.64 = 15,499.91 : x
  2. Step 2: Convert to fraction form
    34,220.31/51,335.64 = 15,499.91/x
  3. Step 3: Cross multiply
    34,220.31x = 51,335.64 × 15,499.91
  4. Step 4: Simplify right side
    34,220.31x = 795,697,543.11
  5. Step 5: Solve for x
    x = 795,697,543.11/34,220.31
  6. Step 6: Final answer
    x = 23,252.20

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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.