Home / 36,758.46-55,048.87-20,915.49

Finding the Fourth Proportional to 36,758.46, 55,048.87 and 20,915.49

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Solution

The fourth proportional to 36,758.46, 55,048.87 and 20,915.49 is: 31,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.46 : 55,048.87 = 20,915.49 : x
  2. Step 2: Convert to fraction form
    36,758.46/55,048.87 = 20,915.49/x
  3. Step 3: Cross multiply
    36,758.46x = 55,048.87 × 20,915.49
  4. Step 4: Simplify right side
    36,758.46x = 1,151,374,012.92
  5. Step 5: Solve for x
    x = 1,151,374,012.92/36,758.46
  6. Step 6: Final answer
    x = 31,322.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.