Home / 31,520.61-43,498.53-17,373.51

Finding the Fourth Proportional to 31,520.61, 43,498.53 and 17,373.51

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Solution

The fourth proportional to 31,520.61, 43,498.53 and 17,373.51 is: 23,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.61 : 43,498.53 = 17,373.51 : x
  2. Step 2: Convert to fraction form
    31,520.61/43,498.53 = 17,373.51/x
  3. Step 3: Cross multiply
    31,520.61x = 43,498.53 × 17,373.51
  4. Step 4: Simplify right side
    31,520.61x = 755,722,145.94
  5. Step 5: Solve for x
    x = 755,722,145.94/31,520.61
  6. Step 6: Final answer
    x = 23,975.49

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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.