Home / 31,553.72-47,316.77-11,818.44

Finding the Fourth Proportional to 31,553.72, 47,316.77 and 11,818.44

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Solution

The fourth proportional to 31,553.72, 47,316.77 and 11,818.44 is: 17,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.72 : 47,316.77 = 11,818.44 : x
  2. Step 2: Convert to fraction form
    31,553.72/47,316.77 = 11,818.44/x
  3. Step 3: Cross multiply
    31,553.72x = 47,316.77 × 11,818.44
  4. Step 4: Simplify right side
    31,553.72x = 559,210,436.78
  5. Step 5: Solve for x
    x = 559,210,436.78/31,553.72
  6. Step 6: Final answer
    x = 17,722.49

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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.