Home / 51,726.70-77,458.29-34,142.86

Finding the Fourth Proportional to 51,726.70, 77,458.29 and 34,142.86

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Solution

The fourth proportional to 51,726.70, 77,458.29 and 34,142.86 is: 51,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.70 : 77,458.29 = 34,142.86 : x
  2. Step 2: Convert to fraction form
    51,726.70/77,458.29 = 34,142.86/x
  3. Step 3: Cross multiply
    51,726.70x = 77,458.29 × 34,142.86
  4. Step 4: Simplify right side
    51,726.70x = 2,644,647,551.31
  5. Step 5: Solve for x
    x = 2,644,647,551.31/51,726.70
  6. Step 6: Final answer
    x = 51,127.32

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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.