Home / 34,031.70-51,011.10-12,963.60

Finding the Fourth Proportional to 34,031.70, 51,011.10 and 12,963.60

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Solution

The fourth proportional to 34,031.70, 51,011.10 and 12,963.60 is: 19,431.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,031.70 : 51,011.10 = 12,963.60 : x
  2. Step 2: Convert to fraction form
    34,031.70/51,011.10 = 12,963.60/x
  3. Step 3: Cross multiply
    34,031.70x = 51,011.10 × 12,963.60
  4. Step 4: Simplify right side
    34,031.70x = 661,287,495.96
  5. Step 5: Solve for x
    x = 661,287,495.96/34,031.70
  6. Step 6: Final answer
    x = 19,431.52

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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.