Home / 31,747.16-47,578.97-17,713.80

Finding the Fourth Proportional to 31,747.16, 47,578.97 and 17,713.80

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Solution

The fourth proportional to 31,747.16, 47,578.97 and 17,713.80 is: 26,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.16 : 47,578.97 = 17,713.80 : x
  2. Step 2: Convert to fraction form
    31,747.16/47,578.97 = 17,713.80/x
  3. Step 3: Cross multiply
    31,747.16x = 47,578.97 × 17,713.80
  4. Step 4: Simplify right side
    31,747.16x = 842,804,403.07
  5. Step 5: Solve for x
    x = 842,804,403.07/31,747.16
  6. Step 6: Final answer
    x = 26,547.39

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1.5x scale

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.