Home / 51,445.10-70,997.76-28,786.22

Finding the Fourth Proportional to 51,445.10, 70,997.76 and 28,786.22

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Solution

The fourth proportional to 51,445.10, 70,997.76 and 28,786.22 is: 39,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.10 : 70,997.76 = 28,786.22 : x
  2. Step 2: Convert to fraction form
    51,445.10/70,997.76 = 28,786.22/x
  3. Step 3: Cross multiply
    51,445.10x = 70,997.76 × 28,786.22
  4. Step 4: Simplify right side
    51,445.10x = 2,043,757,138.87
  5. Step 5: Solve for x
    x = 2,043,757,138.87/51,445.10
  6. Step 6: Final answer
    x = 39,726.95

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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.