Home / 47,785.90-71,670.45-18,205.51

Finding the Fourth Proportional to 47,785.90, 71,670.45 and 18,205.51

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Solution

The fourth proportional to 47,785.90, 71,670.45 and 18,205.51 is: 27,305.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,785.90 : 71,670.45 = 18,205.51 : x
  2. Step 2: Convert to fraction form
    47,785.90/71,670.45 = 18,205.51/x
  3. Step 3: Cross multiply
    47,785.90x = 71,670.45 × 18,205.51
  4. Step 4: Simplify right side
    47,785.90x = 1,304,797,094.18
  5. Step 5: Solve for x
    x = 1,304,797,094.18/47,785.90
  6. Step 6: Final answer
    x = 27,305.06

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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.