Home / 37,110.78-51,212.82-20,344.86

Finding the Fourth Proportional to 37,110.78, 51,212.82 and 20,344.86

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Solution

The fourth proportional to 37,110.78, 51,212.82 and 20,344.86 is: 28,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.78 : 51,212.82 = 20,344.86 : x
  2. Step 2: Convert to fraction form
    37,110.78/51,212.82 = 20,344.86/x
  3. Step 3: Cross multiply
    37,110.78x = 51,212.82 × 20,344.86
  4. Step 4: Simplify right side
    37,110.78x = 1,041,917,653.11
  5. Step 5: Solve for x
    x = 1,041,917,653.11/37,110.78
  6. Step 6: Final answer
    x = 28,075.88

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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.