Home / 31,564.08-47,346.12-8,193.96

Finding the Fourth Proportional to 31,564.08, 47,346.12 and 8,193.96

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Solution

The fourth proportional to 31,564.08, 47,346.12 and 8,193.96 is: 12,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.08 : 47,346.12 = 8,193.96 : x
  2. Step 2: Convert to fraction form
    31,564.08/47,346.12 = 8,193.96/x
  3. Step 3: Cross multiply
    31,564.08x = 47,346.12 × 8,193.96
  4. Step 4: Simplify right side
    31,564.08x = 387,952,213.44
  5. Step 5: Solve for x
    x = 387,952,213.44/31,564.08
  6. Step 6: Final answer
    x = 12,290.94

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1.5x scale

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.