Home / 56,477.26-77,947.97-31,334.86

Finding the Fourth Proportional to 56,477.26, 77,947.97 and 31,334.86

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Solution

The fourth proportional to 56,477.26, 77,947.97 and 31,334.86 is: 43,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,477.26 : 77,947.97 = 31,334.86 : x
  2. Step 2: Convert to fraction form
    56,477.26/77,947.97 = 31,334.86/x
  3. Step 3: Cross multiply
    56,477.26x = 77,947.97 × 31,334.86
  4. Step 4: Simplify right side
    56,477.26x = 2,442,488,727.23
  5. Step 5: Solve for x
    x = 2,442,488,727.23/56,477.26
  6. Step 6: Final answer
    x = 43,247.30

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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.