Home / 31,512.02-43,486.77-17,364.87

Finding the Fourth Proportional to 31,512.02, 43,486.77 and 17,364.87

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Solution

The fourth proportional to 31,512.02, 43,486.77 and 17,364.87 is: 23,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.02 : 43,486.77 = 17,364.87 : x
  2. Step 2: Convert to fraction form
    31,512.02/43,486.77 = 17,364.87/x
  3. Step 3: Cross multiply
    31,512.02x = 43,486.77 × 17,364.87
  4. Step 4: Simplify right side
    31,512.02x = 755,142,107.77
  5. Step 5: Solve for x
    x = 755,142,107.77/31,512.02
  6. Step 6: Final answer
    x = 23,963.62

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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.