Home / 56,996.56-78,655.16-31,504.88

Finding the Fourth Proportional to 56,996.56, 78,655.16 and 31,504.88

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Solution

The fourth proportional to 56,996.56, 78,655.16 and 31,504.88 is: 43,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.56 : 78,655.16 = 31,504.88 : x
  2. Step 2: Convert to fraction form
    56,996.56/78,655.16 = 31,504.88/x
  3. Step 3: Cross multiply
    56,996.56x = 78,655.16 × 31,504.88
  4. Step 4: Simplify right side
    56,996.56x = 2,478,021,377.18
  5. Step 5: Solve for x
    x = 2,478,021,377.18/56,996.56
  6. Step 6: Final answer
    x = 43,476.68

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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.