Home / 55,511.53-76,613.21-31,632.73

Finding the Fourth Proportional to 55,511.53, 76,613.21 and 31,632.73

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Solution

The fourth proportional to 55,511.53, 76,613.21 and 31,632.73 is: 43,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.53 : 76,613.21 = 31,632.73 : x
  2. Step 2: Convert to fraction form
    55,511.53/76,613.21 = 31,632.73/x
  3. Step 3: Cross multiply
    55,511.53x = 76,613.21 × 31,632.73
  4. Step 4: Simplify right side
    55,511.53x = 2,423,484,755.29
  5. Step 5: Solve for x
    x = 2,423,484,755.29/55,511.53
  6. Step 6: Final answer
    x = 43,657.32

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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.