Home / 31,612.48-47,170.25-30,542.37

Finding the Fourth Proportional to 31,612.48, 47,170.25 and 30,542.37

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Solution

The fourth proportional to 31,612.48, 47,170.25 and 30,542.37 is: 45,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.48 : 47,170.25 = 30,542.37 : x
  2. Step 2: Convert to fraction form
    31,612.48/47,170.25 = 30,542.37/x
  3. Step 3: Cross multiply
    31,612.48x = 47,170.25 × 30,542.37
  4. Step 4: Simplify right side
    31,612.48x = 1,440,691,013.43
  5. Step 5: Solve for x
    x = 1,440,691,013.43/31,612.48
  6. Step 6: Final answer
    x = 45,573.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.