Home / 31,546.06-47,387.80-19,071.96

Finding the Fourth Proportional to 31,546.06, 47,387.80 and 19,071.96

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Solution

The fourth proportional to 31,546.06, 47,387.80 and 19,071.96 is: 28,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.06 : 47,387.80 = 19,071.96 : x
  2. Step 2: Convert to fraction form
    31,546.06/47,387.80 = 19,071.96/x
  3. Step 3: Cross multiply
    31,546.06x = 47,387.80 × 19,071.96
  4. Step 4: Simplify right side
    31,546.06x = 903,778,072.22
  5. Step 5: Solve for x
    x = 903,778,072.22/31,546.06
  6. Step 6: Final answer
    x = 28,649.48

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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.