Home / 56,242.80-77,608.92-31,087.44

Finding the Fourth Proportional to 56,242.80, 77,608.92 and 31,087.44

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Solution

The fourth proportional to 56,242.80, 77,608.92 and 31,087.44 is: 42,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,242.80 : 77,608.92 = 31,087.44 : x
  2. Step 2: Convert to fraction form
    56,242.80/77,608.92 = 31,087.44/x
  3. Step 3: Cross multiply
    56,242.80x = 77,608.92 × 31,087.44
  4. Step 4: Simplify right side
    56,242.80x = 2,412,662,643.96
  5. Step 5: Solve for x
    x = 2,412,662,643.96/56,242.80
  6. Step 6: Final answer
    x = 42,897.27

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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.