Home / 56,305.17-77,701.14-30,811.54

Finding the Fourth Proportional to 56,305.17, 77,701.14 and 30,811.54

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Solution

The fourth proportional to 56,305.17, 77,701.14 and 30,811.54 is: 42,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.17 : 77,701.14 = 30,811.54 : x
  2. Step 2: Convert to fraction form
    56,305.17/77,701.14 = 30,811.54/x
  3. Step 3: Cross multiply
    56,305.17x = 77,701.14 × 30,811.54
  4. Step 4: Simplify right side
    56,305.17x = 2,394,092,110.43
  5. Step 5: Solve for x
    x = 2,394,092,110.43/56,305.17
  6. Step 6: Final answer
    x = 42,519.93

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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.