Home / 51,423.65-77,137.17-17,689.34

Finding the Fourth Proportional to 51,423.65, 77,137.17 and 17,689.34

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Solution

The fourth proportional to 51,423.65, 77,137.17 and 17,689.34 is: 26,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.65 : 77,137.17 = 17,689.34 : x
  2. Step 2: Convert to fraction form
    51,423.65/77,137.17 = 17,689.34/x
  3. Step 3: Cross multiply
    51,423.65x = 77,137.17 × 17,689.34
  4. Step 4: Simplify right side
    51,423.65x = 1,364,505,241.08
  5. Step 5: Solve for x
    x = 1,364,505,241.08/51,423.65
  6. Step 6: Final answer
    x = 26,534.59

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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.