Home / 36,888.92-50,904.96-20,971.62

Finding the Fourth Proportional to 36,888.92, 50,904.96 and 20,971.62

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Solution

The fourth proportional to 36,888.92, 50,904.96 and 20,971.62 is: 28,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888.92 : 50,904.96 = 20,971.62 : x
  2. Step 2: Convert to fraction form
    36,888.92/50,904.96 = 20,971.62/x
  3. Step 3: Cross multiply
    36,888.92x = 50,904.96 × 20,971.62
  4. Step 4: Simplify right side
    36,888.92x = 1,067,559,477.24
  5. Step 5: Solve for x
    x = 1,067,559,477.24/36,888.92
  6. Step 6: Final answer
    x = 28,939.84

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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.