Home / 37,134.51-51,245.63-20,138.75

Finding the Fourth Proportional to 37,134.51, 51,245.63 and 20,138.75

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Solution

The fourth proportional to 37,134.51, 51,245.63 and 20,138.75 is: 27,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,134.51 : 51,245.63 = 20,138.75 : x
  2. Step 2: Convert to fraction form
    37,134.51/51,245.63 = 20,138.75/x
  3. Step 3: Cross multiply
    37,134.51x = 51,245.63 × 20,138.75
  4. Step 4: Simplify right side
    37,134.51x = 1,032,022,931.16
  5. Step 5: Solve for x
    x = 1,032,022,931.16/37,134.51
  6. Step 6: Final answer
    x = 27,791.48

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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.