Home / 31,503.76-47,255.62-29,579.20

Finding the Fourth Proportional to 31,503.76, 47,255.62 and 29,579.20

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Solution

The fourth proportional to 31,503.76, 47,255.62 and 29,579.20 is: 44,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.76 : 47,255.62 = 29,579.20 : x
  2. Step 2: Convert to fraction form
    31,503.76/47,255.62 = 29,579.20/x
  3. Step 3: Cross multiply
    31,503.76x = 47,255.62 × 29,579.20
  4. Step 4: Simplify right side
    31,503.76x = 1,397,783,435.10
  5. Step 5: Solve for x
    x = 1,397,783,435.10/31,503.76
  6. Step 6: Final answer
    x = 44,368.78

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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.