Home / 53,138.97-79,708.32-36,448.38

Finding the Fourth Proportional to 53,138.97, 79,708.32 and 36,448.38

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Solution

The fourth proportional to 53,138.97, 79,708.32 and 36,448.38 is: 54,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,138.97 : 79,708.32 = 36,448.38 : x
  2. Step 2: Convert to fraction form
    53,138.97/79,708.32 = 36,448.38/x
  3. Step 3: Cross multiply
    53,138.97x = 79,708.32 × 36,448.38
  4. Step 4: Simplify right side
    53,138.97x = 2,905,239,136.52
  5. Step 5: Solve for x
    x = 2,905,239,136.52/53,138.97
  6. Step 6: Final answer
    x = 54,672.48

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1.5x scale

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.