Home / 55,886.15-77,104-31,684.52

Finding the Fourth Proportional to 55,886.15, 77,104 and 31,684.52

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Solution

The fourth proportional to 55,886.15, 77,104 and 31,684.52 is: 43,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.15 : 77,104 = 31,684.52 : x
  2. Step 2: Convert to fraction form
    55,886.15/77,104 = 31,684.52/x
  3. Step 3: Cross multiply
    55,886.15x = 77,104 × 31,684.52
  4. Step 4: Simplify right side
    55,886.15x = 2,443,003,230.08
  5. Step 5: Solve for x
    x = 2,443,003,230.08/55,886.15
  6. Step 6: Final answer
    x = 43,713.93

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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.