Home / 31,702.16-47,436.84-25,443.44

Finding the Fourth Proportional to 31,702.16, 47,436.84 and 25,443.44

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Solution

The fourth proportional to 31,702.16, 47,436.84 and 25,443.44 is: 38,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.16 : 47,436.84 = 25,443.44 : x
  2. Step 2: Convert to fraction form
    31,702.16/47,436.84 = 25,443.44/x
  3. Step 3: Cross multiply
    31,702.16x = 47,436.84 × 25,443.44
  4. Step 4: Simplify right side
    31,702.16x = 1,206,956,392.33
  5. Step 5: Solve for x
    x = 1,206,956,392.33/31,702.16
  6. Step 6: Final answer
    x = 38,071.74

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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.