Home / 55,696.60-76,865.37-31,822.76

Finding the Fourth Proportional to 55,696.60, 76,865.37 and 31,822.76

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Solution

The fourth proportional to 55,696.60, 76,865.37 and 31,822.76 is: 43,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.60 : 76,865.37 = 31,822.76 : x
  2. Step 2: Convert to fraction form
    55,696.60/76,865.37 = 31,822.76/x
  3. Step 3: Cross multiply
    55,696.60x = 76,865.37 × 31,822.76
  4. Step 4: Simplify right side
    55,696.60x = 2,446,068,221.82
  5. Step 5: Solve for x
    x = 2,446,068,221.82/55,696.60
  6. Step 6: Final answer
    x = 43,917.73

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1.5x scale

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.