Home / 55,425.54-76,550.91-40,385.46

Finding the Fourth Proportional to 55,425.54, 76,550.91 and 40,385.46

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Solution

The fourth proportional to 55,425.54, 76,550.91 and 40,385.46 is: 55,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,425.54 : 76,550.91 = 40,385.46 : x
  2. Step 2: Convert to fraction form
    55,425.54/76,550.91 = 40,385.46/x
  3. Step 3: Cross multiply
    55,425.54x = 76,550.91 × 40,385.46
  4. Step 4: Simplify right side
    55,425.54x = 3,091,543,713.77
  5. Step 5: Solve for x
    x = 3,091,543,713.77/55,425.54
  6. Step 6: Final answer
    x = 55,778.32

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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.