Home / 31,529.78-43,514.15-23,558.17

Finding the Fourth Proportional to 31,529.78, 43,514.15 and 23,558.17

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Solution

The fourth proportional to 31,529.78, 43,514.15 and 23,558.17 is: 32,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.78 : 43,514.15 = 23,558.17 : x
  2. Step 2: Convert to fraction form
    31,529.78/43,514.15 = 23,558.17/x
  3. Step 3: Cross multiply
    31,529.78x = 43,514.15 × 23,558.17
  4. Step 4: Simplify right side
    31,529.78x = 1,025,113,743.11
  5. Step 5: Solve for x
    x = 1,025,113,743.11/31,529.78
  6. Step 6: Final answer
    x = 32,512.56

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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.