Home / 31,584.54-43,602.45-19,651.74

Finding the Fourth Proportional to 31,584.54, 43,602.45 and 19,651.74

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Solution

The fourth proportional to 31,584.54, 43,602.45 and 19,651.74 is: 27,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,584.54 : 43,602.45 = 19,651.74 : x
  2. Step 2: Convert to fraction form
    31,584.54/43,602.45 = 19,651.74/x
  3. Step 3: Cross multiply
    31,584.54x = 43,602.45 × 19,651.74
  4. Step 4: Simplify right side
    31,584.54x = 856,864,010.76
  5. Step 5: Solve for x
    x = 856,864,010.76/31,584.54
  6. Step 6: Final answer
    x = 27,129.22

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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.