Home / 55,772.15-76,979.77-31,906.31

Finding the Fourth Proportional to 55,772.15, 76,979.77 and 31,906.31

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Solution

The fourth proportional to 55,772.15, 76,979.77 and 31,906.31 is: 44,038.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,772.15 : 76,979.77 = 31,906.31 : x
  2. Step 2: Convert to fraction form
    55,772.15/76,979.77 = 31,906.31/x
  3. Step 3: Cross multiply
    55,772.15x = 76,979.77 × 31,906.31
  4. Step 4: Simplify right side
    55,772.15x = 2,456,140,405.35
  5. Step 5: Solve for x
    x = 2,456,140,405.35/55,772.15
  6. Step 6: Final answer
    x = 44,038.83

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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.