Home / 36,390.06-50,218.08-20,474.64

Finding the Fourth Proportional to 36,390.06, 50,218.08 and 20,474.64

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Solution

The fourth proportional to 36,390.06, 50,218.08 and 20,474.64 is: 28,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.06 : 50,218.08 = 20,474.64 : x
  2. Step 2: Convert to fraction form
    36,390.06/50,218.08 = 20,474.64/x
  3. Step 3: Cross multiply
    36,390.06x = 50,218.08 × 20,474.64
  4. Step 4: Simplify right side
    36,390.06x = 1,028,197,032.71
  5. Step 5: Solve for x
    x = 1,028,197,032.71/36,390.06
  6. Step 6: Final answer
    x = 28,254.89

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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.