Home / 56,726.45-78,281.21-35,517.41

Finding the Fourth Proportional to 56,726.45, 78,281.21 and 35,517.41

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Solution

The fourth proportional to 56,726.45, 78,281.21 and 35,517.41 is: 49,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.45 : 78,281.21 = 35,517.41 : x
  2. Step 2: Convert to fraction form
    56,726.45/78,281.21 = 35,517.41/x
  3. Step 3: Cross multiply
    56,726.45x = 78,281.21 × 35,517.41
  4. Step 4: Simplify right side
    56,726.45x = 2,780,345,653.28
  5. Step 5: Solve for x
    x = 2,780,345,653.28/56,726.45
  6. Step 6: Final answer
    x = 49,013.21

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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.