Home / 55,636.54-76,774.20-31,759.98

Finding the Fourth Proportional to 55,636.54, 76,774.20 and 31,759.98

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Solution

The fourth proportional to 55,636.54, 76,774.20 and 31,759.98 is: 43,826.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,636.54 : 76,774.20 = 31,759.98 : x
  2. Step 2: Convert to fraction form
    55,636.54/76,774.20 = 31,759.98/x
  3. Step 3: Cross multiply
    55,636.54x = 76,774.20 × 31,759.98
  4. Step 4: Simplify right side
    55,636.54x = 2,438,347,056.52
  5. Step 5: Solve for x
    x = 2,438,347,056.52/55,636.54
  6. Step 6: Final answer
    x = 43,826.36

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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.