Home / 56,204.25-77,561.91-31,053.75

Finding the Fourth Proportional to 56,204.25, 77,561.91 and 31,053.75

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Solution

The fourth proportional to 56,204.25, 77,561.91 and 31,053.75 is: 42,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,204.25 : 77,561.91 = 31,053.75 : x
  2. Step 2: Convert to fraction form
    56,204.25/77,561.91 = 31,053.75/x
  3. Step 3: Cross multiply
    56,204.25x = 77,561.91 × 31,053.75
  4. Step 4: Simplify right side
    56,204.25x = 2,408,588,162.66
  5. Step 5: Solve for x
    x = 2,408,588,162.66/56,204.25
  6. Step 6: Final answer
    x = 42,854.20

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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.