Home / 47,620.46-65,706.96-28,235.78

Finding the Fourth Proportional to 47,620.46, 65,706.96 and 28,235.78

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Solution

The fourth proportional to 47,620.46, 65,706.96 and 28,235.78 is: 38,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.46 : 65,706.96 = 28,235.78 : x
  2. Step 2: Convert to fraction form
    47,620.46/65,706.96 = 28,235.78/x
  3. Step 3: Cross multiply
    47,620.46x = 65,706.96 × 28,235.78
  4. Step 4: Simplify right side
    47,620.46x = 1,855,287,290.78
  5. Step 5: Solve for x
    x = 1,855,287,290.78/47,620.46
  6. Step 6: Final answer
    x = 38,959.88

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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.