Home / 69,813.72-96,343.08-39,589.44

Finding the Fourth Proportional to 69,813.72, 96,343.08 and 39,589.44

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Solution

The fourth proportional to 69,813.72, 96,343.08 and 39,589.44 is: 54,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.72 : 96,343.08 = 39,589.44 : x
  2. Step 2: Convert to fraction form
    69,813.72/96,343.08 = 39,589.44/x
  3. Step 3: Cross multiply
    69,813.72x = 96,343.08 × 39,589.44
  4. Step 4: Simplify right side
    69,813.72x = 3,814,168,585.08
  5. Step 5: Solve for x
    x = 3,814,168,585.08/69,813.72
  6. Step 6: Final answer
    x = 54,633.51

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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.