Home / 31,527.78-43,511.39-23,556.17

Finding the Fourth Proportional to 31,527.78, 43,511.39 and 23,556.17

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Solution

The fourth proportional to 31,527.78, 43,511.39 and 23,556.17 is: 32,509.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.78 : 43,511.39 = 23,556.17 : x
  2. Step 2: Convert to fraction form
    31,527.78/43,511.39 = 23,556.17/x
  3. Step 3: Cross multiply
    31,527.78x = 43,511.39 × 23,556.17
  4. Step 4: Simplify right side
    31,527.78x = 1,024,961,364.44
  5. Step 5: Solve for x
    x = 1,024,961,364.44/31,527.78
  6. Step 6: Final answer
    x = 32,509.79

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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.