Home / 35,276.85-52,915.32-11,919.69

Finding the Fourth Proportional to 35,276.85, 52,915.32 and 11,919.69

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Solution

The fourth proportional to 35,276.85, 52,915.32 and 11,919.69 is: 17,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,276.85 : 52,915.32 = 11,919.69 : x
  2. Step 2: Convert to fraction form
    35,276.85/52,915.32 = 11,919.69/x
  3. Step 3: Cross multiply
    35,276.85x = 52,915.32 × 11,919.69
  4. Step 4: Simplify right side
    35,276.85x = 630,734,210.65
  5. Step 5: Solve for x
    x = 630,734,210.65/35,276.85
  6. Step 6: Final answer
    x = 17,879.55

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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.