Home / 34,764.64-52,138.99-20,728.66

Finding the Fourth Proportional to 34,764.64, 52,138.99 and 20,728.66

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Solution

The fourth proportional to 34,764.64, 52,138.99 and 20,728.66 is: 31,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,764.64 : 52,138.99 = 20,728.66 : x
  2. Step 2: Convert to fraction form
    34,764.64/52,138.99 = 20,728.66/x
  3. Step 3: Cross multiply
    34,764.64x = 52,138.99 × 20,728.66
  4. Step 4: Simplify right side
    34,764.64x = 1,080,771,389.78
  5. Step 5: Solve for x
    x = 1,080,771,389.78/34,764.64
  6. Step 6: Final answer
    x = 31,088.23

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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.