Home / 51,422.14-77,134.92-17,687.84

Finding the Fourth Proportional to 51,422.14, 77,134.92 and 17,687.84

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Solution

The fourth proportional to 51,422.14, 77,134.92 and 17,687.84 is: 26,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,422.14 : 77,134.92 = 17,687.84 : x
  2. Step 2: Convert to fraction form
    51,422.14/77,134.92 = 17,687.84/x
  3. Step 3: Cross multiply
    51,422.14x = 77,134.92 × 17,687.84
  4. Step 4: Simplify right side
    51,422.14x = 1,364,349,671.37
  5. Step 5: Solve for x
    x = 1,364,349,671.37/51,422.14
  6. Step 6: Final answer
    x = 26,532.34

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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.