Home / 31,755.08-47,637.48-8,383.34

Finding the Fourth Proportional to 31,755.08, 47,637.48 and 8,383.34

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Solution

The fourth proportional to 31,755.08, 47,637.48 and 8,383.34 is: 12,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.08 : 47,637.48 = 8,383.34 : x
  2. Step 2: Convert to fraction form
    31,755.08/47,637.48 = 8,383.34/x
  3. Step 3: Cross multiply
    31,755.08x = 47,637.48 × 8,383.34
  4. Step 4: Simplify right side
    31,755.08x = 399,361,191.58
  5. Step 5: Solve for x
    x = 399,361,191.58/31,755.08
  6. Step 6: Final answer
    x = 12,576.29

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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.