Home / 36,171.90-49,917.16-20,256.35

Finding the Fourth Proportional to 36,171.90, 49,917.16 and 20,256.35

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Solution

The fourth proportional to 36,171.90, 49,917.16 and 20,256.35 is: 27,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.90 : 49,917.16 = 20,256.35 : x
  2. Step 2: Convert to fraction form
    36,171.90/49,917.16 = 20,256.35/x
  3. Step 3: Cross multiply
    36,171.90x = 49,917.16 × 20,256.35
  4. Step 4: Simplify right side
    36,171.90x = 1,011,139,239.70
  5. Step 5: Solve for x
    x = 1,011,139,239.70/36,171.90
  6. Step 6: Final answer
    x = 27,953.72

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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.