Home / 31,530.92-47,295-7,837.96

Finding the Fourth Proportional to 31,530.92, 47,295 and 7,837.96

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Solution

The fourth proportional to 31,530.92, 47,295 and 7,837.96 is: 11,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.92 : 47,295 = 7,837.96 : x
  2. Step 2: Convert to fraction form
    31,530.92/47,295 = 7,837.96/x
  3. Step 3: Cross multiply
    31,530.92x = 47,295 × 7,837.96
  4. Step 4: Simplify right side
    31,530.92x = 370,696,199.96
  5. Step 5: Solve for x
    x = 370,696,199.96/31,530.92
  6. Step 6: Final answer
    x = 11,756.60

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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.