Home / 36,758.74-55,049.29-20,915.77

Finding the Fourth Proportional to 36,758.74, 55,049.29 and 20,915.77

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Solution

The fourth proportional to 36,758.74, 55,049.29 and 20,915.77 is: 31,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.74 : 55,049.29 = 20,915.77 : x
  2. Step 2: Convert to fraction form
    36,758.74/55,049.29 = 20,915.77/x
  3. Step 3: Cross multiply
    36,758.74x = 55,049.29 × 20,915.77
  4. Step 4: Simplify right side
    36,758.74x = 1,151,398,319.26
  5. Step 5: Solve for x
    x = 1,151,398,319.26/36,758.74
  6. Step 6: Final answer
    x = 31,323.12

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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.