Home / 47,120.58-65,020.11-29,209.05

Finding the Fourth Proportional to 47,120.58, 65,020.11 and 29,209.05

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Solution

The fourth proportional to 47,120.58, 65,020.11 and 29,209.05 is: 40,304.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.58 : 65,020.11 = 29,209.05 : x
  2. Step 2: Convert to fraction form
    47,120.58/65,020.11 = 29,209.05/x
  3. Step 3: Cross multiply
    47,120.58x = 65,020.11 × 29,209.05
  4. Step 4: Simplify right side
    47,120.58x = 1,899,175,644.00
  5. Step 5: Solve for x
    x = 1,899,175,644.00/47,120.58
  6. Step 6: Final answer
    x = 40,304.59

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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.