Home / 36,389.76-50,217.84-20,474.16

Finding the Fourth Proportional to 36,389.76, 50,217.84 and 20,474.16

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Solution

The fourth proportional to 36,389.76, 50,217.84 and 20,474.16 is: 28,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,389.76 : 50,217.84 = 20,474.16 : x
  2. Step 2: Convert to fraction form
    36,389.76/50,217.84 = 20,474.16/x
  3. Step 3: Cross multiply
    36,389.76x = 50,217.84 × 20,474.16
  4. Step 4: Simplify right side
    36,389.76x = 1,028,168,091.01
  5. Step 5: Solve for x
    x = 1,028,168,091.01/36,389.76
  6. Step 6: Final answer
    x = 28,254.32

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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.