Home / 47,738.70-71,637.30-19,672.20

Finding the Fourth Proportional to 47,738.70, 71,637.30 and 19,672.20

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Solution

The fourth proportional to 47,738.70, 71,637.30 and 19,672.20 is: 29,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,738.70 : 71,637.30 = 19,672.20 : x
  2. Step 2: Convert to fraction form
    47,738.70/71,637.30 = 19,672.20/x
  3. Step 3: Cross multiply
    47,738.70x = 71,637.30 × 19,672.20
  4. Step 4: Simplify right side
    47,738.70x = 1,409,263,293.06
  5. Step 5: Solve for x
    x = 1,409,263,293.06/47,738.70
  6. Step 6: Final answer
    x = 29,520.35

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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.