Home / 47,079.03-70,618.67-11,540.51

Finding the Fourth Proportional to 47,079.03, 70,618.67 and 11,540.51

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Solution

The fourth proportional to 47,079.03, 70,618.67 and 11,540.51 is: 17,310.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,079.03 : 70,618.67 = 11,540.51 : x
  2. Step 2: Convert to fraction form
    47,079.03/70,618.67 = 11,540.51/x
  3. Step 3: Cross multiply
    47,079.03x = 70,618.67 × 11,540.51
  4. Step 4: Simplify right side
    47,079.03x = 814,975,364.62
  5. Step 5: Solve for x
    x = 814,975,364.62/47,079.03
  6. Step 6: Final answer
    x = 17,310.79

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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.