Home / 31,542.20-47,291.70-14,910.20

Finding the Fourth Proportional to 31,542.20, 47,291.70 and 14,910.20

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Solution

The fourth proportional to 31,542.20, 47,291.70 and 14,910.20 is: 22,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542.20 : 47,291.70 = 14,910.20 : x
  2. Step 2: Convert to fraction form
    31,542.20/47,291.70 = 14,910.20/x
  3. Step 3: Cross multiply
    31,542.20x = 47,291.70 × 14,910.20
  4. Step 4: Simplify right side
    31,542.20x = 705,128,705.34
  5. Step 5: Solve for x
    x = 705,128,705.34/31,542.20
  6. Step 6: Final answer
    x = 22,355.09

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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.