Home / 47,906.20-71,859.30-47,445.40

Finding the Fourth Proportional to 47,906.20, 71,859.30 and 47,445.40

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Solution

The fourth proportional to 47,906.20, 71,859.30 and 47,445.40 is: 71,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906.20 : 71,859.30 = 47,445.40 : x
  2. Step 2: Convert to fraction form
    47,906.20/71,859.30 = 47,445.40/x
  3. Step 3: Cross multiply
    47,906.20x = 71,859.30 × 47,445.40
  4. Step 4: Simplify right side
    47,906.20x = 3,409,393,232.22
  5. Step 5: Solve for x
    x = 3,409,393,232.22/47,906.20
  6. Step 6: Final answer
    x = 71,168.10

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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.