Home / 36,235.38-49,995.32-20,918.18

Finding the Fourth Proportional to 36,235.38, 49,995.32 and 20,918.18

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Solution

The fourth proportional to 36,235.38, 49,995.32 and 20,918.18 is: 28,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235.38 : 49,995.32 = 20,918.18 : x
  2. Step 2: Convert to fraction form
    36,235.38/49,995.32 = 20,918.18/x
  3. Step 3: Cross multiply
    36,235.38x = 49,995.32 × 20,918.18
  4. Step 4: Simplify right side
    36,235.38x = 1,045,811,102.92
  5. Step 5: Solve for x
    x = 1,045,811,102.92/36,235.38
  6. Step 6: Final answer
    x = 28,861.60

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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.