Home / 47,750.20-65,883.78-28,635.88

Finding the Fourth Proportional to 47,750.20, 65,883.78 and 28,635.88

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Solution

The fourth proportional to 47,750.20, 65,883.78 and 28,635.88 is: 39,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,750.20 : 65,883.78 = 28,635.88 : x
  2. Step 2: Convert to fraction form
    47,750.20/65,883.78 = 28,635.88/x
  3. Step 3: Cross multiply
    47,750.20x = 65,883.78 × 28,635.88
  4. Step 4: Simplify right side
    47,750.20x = 1,886,640,018.03
  5. Step 5: Solve for x
    x = 1,886,640,018.03/47,750.20
  6. Step 6: Final answer
    x = 39,510.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.