Home / 51,423.64-77,137.14-17,689.31

Finding the Fourth Proportional to 51,423.64, 77,137.14 and 17,689.31

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Solution

The fourth proportional to 51,423.64, 77,137.14 and 17,689.31 is: 26,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,423.64 : 77,137.14 = 17,689.31 : x
  2. Step 2: Convert to fraction form
    51,423.64/77,137.14 = 17,689.31/x
  3. Step 3: Cross multiply
    51,423.64x = 77,137.14 × 17,689.31
  4. Step 4: Simplify right side
    51,423.64x = 1,364,502,781.97
  5. Step 5: Solve for x
    x = 1,364,502,781.97/51,423.64
  6. Step 6: Final answer
    x = 26,534.54

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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.