Home / 31,623.32-47,436.50-9,438.44

Finding the Fourth Proportional to 31,623.32, 47,436.50 and 9,438.44

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Solution

The fourth proportional to 31,623.32, 47,436.50 and 9,438.44 is: 14,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.32 : 47,436.50 = 9,438.44 : x
  2. Step 2: Convert to fraction form
    31,623.32/47,436.50 = 9,438.44/x
  3. Step 3: Cross multiply
    31,623.32x = 47,436.50 × 9,438.44
  4. Step 4: Simplify right side
    31,623.32x = 447,726,345.47
  5. Step 5: Solve for x
    x = 447,726,345.47/31,623.32
  6. Step 6: Final answer
    x = 14,158.11

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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.