Home / 51,265.63-76,909.83-15,731.88

Finding the Fourth Proportional to 51,265.63, 76,909.83 and 15,731.88

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Solution

The fourth proportional to 51,265.63, 76,909.83 and 15,731.88 is: 23,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,265.63 : 76,909.83 = 15,731.88 : x
  2. Step 2: Convert to fraction form
    51,265.63/76,909.83 = 15,731.88/x
  3. Step 3: Cross multiply
    51,265.63x = 76,909.83 × 15,731.88
  4. Step 4: Simplify right side
    51,265.63x = 1,209,936,216.38
  5. Step 5: Solve for x
    x = 1,209,936,216.38/51,265.63
  6. Step 6: Final answer
    x = 23,601.31

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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.