Home / 56,765.16-78,335.94-31,614.66

Finding the Fourth Proportional to 56,765.16, 78,335.94 and 31,614.66

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Solution

The fourth proportional to 56,765.16, 78,335.94 and 31,614.66 is: 43,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.16 : 78,335.94 = 31,614.66 : x
  2. Step 2: Convert to fraction form
    56,765.16/78,335.94 = 31,614.66/x
  3. Step 3: Cross multiply
    56,765.16x = 78,335.94 × 31,614.66
  4. Step 4: Simplify right side
    56,765.16x = 2,476,564,108.88
  5. Step 5: Solve for x
    x = 2,476,564,108.88/56,765.16
  6. Step 6: Final answer
    x = 43,628.24

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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.