Home / 31,963.62-47,937.74-9,777.19

Finding the Fourth Proportional to 31,963.62, 47,937.74 and 9,777.19

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Solution

The fourth proportional to 31,963.62, 47,937.74 and 9,777.19 is: 14,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.62 : 47,937.74 = 9,777.19 : x
  2. Step 2: Convert to fraction form
    31,963.62/47,937.74 = 9,777.19/x
  3. Step 3: Cross multiply
    31,963.62x = 47,937.74 × 9,777.19
  4. Step 4: Simplify right side
    31,963.62x = 468,696,392.15
  5. Step 5: Solve for x
    x = 468,696,392.15/31,963.62
  6. Step 6: Final answer
    x = 14,663.43

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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.