Home / 56,499.75-77,972.09-31,349.25

Finding the Fourth Proportional to 56,499.75, 77,972.09 and 31,349.25

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Solution

The fourth proportional to 56,499.75, 77,972.09 and 31,349.25 is: 43,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,499.75 : 77,972.09 = 31,349.25 : x
  2. Step 2: Convert to fraction form
    56,499.75/77,972.09 = 31,349.25/x
  3. Step 3: Cross multiply
    56,499.75x = 77,972.09 × 31,349.25
  4. Step 4: Simplify right side
    56,499.75x = 2,444,366,385.69
  5. Step 5: Solve for x
    x = 2,444,366,385.69/56,499.75
  6. Step 6: Final answer
    x = 43,263.31

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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.