Home / 31,747.17-47,578.98-17,713.81

Finding the Fourth Proportional to 31,747.17, 47,578.98 and 17,713.81

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Solution

The fourth proportional to 31,747.17, 47,578.98 and 17,713.81 is: 26,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.17 : 47,578.98 = 17,713.81 : x
  2. Step 2: Convert to fraction form
    31,747.17/47,578.98 = 17,713.81/x
  3. Step 3: Cross multiply
    31,747.17x = 47,578.98 × 17,713.81
  4. Step 4: Simplify right side
    31,747.17x = 842,804,770.34
  5. Step 5: Solve for x
    x = 842,804,770.34/31,747.17
  6. Step 6: Final answer
    x = 26,547.40

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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.