Home / 56,131.60-77,489.64-34,917.76

Finding the Fourth Proportional to 56,131.60, 77,489.64 and 34,917.76

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Solution

The fourth proportional to 56,131.60, 77,489.64 and 34,917.76 is: 48,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,131.60 : 77,489.64 = 34,917.76 : x
  2. Step 2: Convert to fraction form
    56,131.60/77,489.64 = 34,917.76/x
  3. Step 3: Cross multiply
    56,131.60x = 77,489.64 × 34,917.76
  4. Step 4: Simplify right side
    56,131.60x = 2,705,764,652.01
  5. Step 5: Solve for x
    x = 2,705,764,652.01/56,131.60
  6. Step 6: Final answer
    x = 48,203.95

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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.