Home / 31,746.61-47,578.13-17,713.25

Finding the Fourth Proportional to 31,746.61, 47,578.13 and 17,713.25

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Solution

The fourth proportional to 31,746.61, 47,578.13 and 17,713.25 is: 26,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746.61 : 47,578.13 = 17,713.25 : x
  2. Step 2: Convert to fraction form
    31,746.61/47,578.13 = 17,713.25/x
  3. Step 3: Cross multiply
    31,746.61x = 47,578.13 × 17,713.25
  4. Step 4: Simplify right side
    31,746.61x = 842,763,117.61
  5. Step 5: Solve for x
    x = 842,763,117.61/31,746.61
  6. Step 6: Final answer
    x = 26,546.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.