Home / 40,455.50-55,830.51-22,550.64

Finding the Fourth Proportional to 40,455.50, 55,830.51 and 22,550.64

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Solution

The fourth proportional to 40,455.50, 55,830.51 and 22,550.64 is: 31,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.50 : 55,830.51 = 22,550.64 : x
  2. Step 2: Convert to fraction form
    40,455.50/55,830.51 = 22,550.64/x
  3. Step 3: Cross multiply
    40,455.50x = 55,830.51 × 22,550.64
  4. Step 4: Simplify right side
    40,455.50x = 1,259,013,732.03
  5. Step 5: Solve for x
    x = 1,259,013,732.03/40,455.50
  6. Step 6: Final answer
    x = 31,120.96

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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.