Home / 63,138.26-87,145.70-36,296.33

Finding the Fourth Proportional to 63,138.26, 87,145.70 and 36,296.33

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Solution

The fourth proportional to 63,138.26, 87,145.70 and 36,296.33 is: 50,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.26 : 87,145.70 = 36,296.33 : x
  2. Step 2: Convert to fraction form
    63,138.26/87,145.70 = 36,296.33/x
  3. Step 3: Cross multiply
    63,138.26x = 87,145.70 × 36,296.33
  4. Step 4: Simplify right side
    63,138.26x = 3,163,068,468.07
  5. Step 5: Solve for x
    x = 3,163,068,468.07/63,138.26
  6. Step 6: Final answer
    x = 50,097.49

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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.