Home / 31,702.88-47,538.96-15,901.12

Finding the Fourth Proportional to 31,702.88, 47,538.96 and 15,901.12

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Solution

The fourth proportional to 31,702.88, 47,538.96 and 15,901.12 is: 23,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.88 : 47,538.96 = 15,901.12 : x
  2. Step 2: Convert to fraction form
    31,702.88/47,538.96 = 15,901.12/x
  3. Step 3: Cross multiply
    31,702.88x = 47,538.96 × 15,901.12
  4. Step 4: Simplify right side
    31,702.88x = 755,922,707.64
  5. Step 5: Solve for x
    x = 755,922,707.64/31,702.88
  6. Step 6: Final answer
    x = 23,843.98

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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.