Home / 56,947.21-78,587.30-31,797.61

Finding the Fourth Proportional to 56,947.21, 78,587.30 and 31,797.61

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Solution

The fourth proportional to 56,947.21, 78,587.30 and 31,797.61 is: 43,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,947.21 : 78,587.30 = 31,797.61 : x
  2. Step 2: Convert to fraction form
    56,947.21/78,587.30 = 31,797.61/x
  3. Step 3: Cross multiply
    56,947.21x = 78,587.30 × 31,797.61
  4. Step 4: Simplify right side
    56,947.21x = 2,498,888,316.35
  5. Step 5: Solve for x
    x = 2,498,888,316.35/56,947.21
  6. Step 6: Final answer
    x = 43,880.79

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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.