Home / 31,738.32-47,603.64-8,366.52

Finding the Fourth Proportional to 31,738.32, 47,603.64 and 8,366.52

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Solution

The fourth proportional to 31,738.32, 47,603.64 and 8,366.52 is: 12,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,738.32 : 47,603.64 = 8,366.52 : x
  2. Step 2: Convert to fraction form
    31,738.32/47,603.64 = 8,366.52/x
  3. Step 3: Cross multiply
    31,738.32x = 47,603.64 × 8,366.52
  4. Step 4: Simplify right side
    31,738.32x = 398,276,806.13
  5. Step 5: Solve for x
    x = 398,276,806.13/31,738.32
  6. Step 6: Final answer
    x = 12,548.77

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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.