Home / 51,247.12-70,717.80-28,589.44

Finding the Fourth Proportional to 51,247.12, 70,717.80 and 28,589.44

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Solution

The fourth proportional to 51,247.12, 70,717.80 and 28,589.44 is: 39,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.12 : 70,717.80 = 28,589.44 : x
  2. Step 2: Convert to fraction form
    51,247.12/70,717.80 = 28,589.44/x
  3. Step 3: Cross multiply
    51,247.12x = 70,717.80 × 28,589.44
  4. Step 4: Simplify right side
    51,247.12x = 2,021,782,300.03
  5. Step 5: Solve for x
    x = 2,021,782,300.03/51,247.12
  6. Step 6: Final answer
    x = 39,451.63

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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.