Home / 36,921.55-50,951.81-20,154.55

Finding the Fourth Proportional to 36,921.55, 50,951.81 and 20,154.55

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Solution

The fourth proportional to 36,921.55, 50,951.81 and 20,154.55 is: 27,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.55 : 50,951.81 = 20,154.55 : x
  2. Step 2: Convert to fraction form
    36,921.55/50,951.81 = 20,154.55/x
  3. Step 3: Cross multiply
    36,921.55x = 50,951.81 × 20,154.55
  4. Step 4: Simplify right side
    36,921.55x = 1,026,910,802.24
  5. Step 5: Solve for x
    x = 1,026,910,802.24/36,921.55
  6. Step 6: Final answer
    x = 27,813.32

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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.