Home / 57,043.26-78,726.30-34,393.83

Finding the Fourth Proportional to 57,043.26, 78,726.30 and 34,393.83

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Solution

The fourth proportional to 57,043.26, 78,726.30 and 34,393.83 is: 47,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.26 : 78,726.30 = 34,393.83 : x
  2. Step 2: Convert to fraction form
    57,043.26/78,726.30 = 34,393.83/x
  3. Step 3: Cross multiply
    57,043.26x = 78,726.30 × 34,393.83
  4. Step 4: Simplify right side
    57,043.26x = 2,707,698,978.73
  5. Step 5: Solve for x
    x = 2,707,698,978.73/57,043.26
  6. Step 6: Final answer
    x = 47,467.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.