Home / 36,900.72-50,923.58-20,985.64

Finding the Fourth Proportional to 36,900.72, 50,923.58 and 20,985.64

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Solution

The fourth proportional to 36,900.72, 50,923.58 and 20,985.64 is: 28,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,900.72 : 50,923.58 = 20,985.64 : x
  2. Step 2: Convert to fraction form
    36,900.72/50,923.58 = 20,985.64/x
  3. Step 3: Cross multiply
    36,900.72x = 50,923.58 × 20,985.64
  4. Step 4: Simplify right side
    36,900.72x = 1,068,663,917.39
  5. Step 5: Solve for x
    x = 1,068,663,917.39/36,900.72
  6. Step 6: Final answer
    x = 28,960.52

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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.