Home / 31,538.44-47,303.34-18,397

Finding the Fourth Proportional to 31,538.44, 47,303.34 and 18,397

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Solution

The fourth proportional to 31,538.44, 47,303.34 and 18,397 is: 27,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.44 : 47,303.34 = 18,397 : x
  2. Step 2: Convert to fraction form
    31,538.44/47,303.34 = 18,397/x
  3. Step 3: Cross multiply
    31,538.44x = 47,303.34 × 18,397
  4. Step 4: Simplify right side
    31,538.44x = 870,239,545.98
  5. Step 5: Solve for x
    x = 870,239,545.98/31,538.44
  6. Step 6: Final answer
    x = 27,592.98

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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.