Home / 39,274.30-54,199.09-21,369.32

Finding the Fourth Proportional to 39,274.30, 54,199.09 and 21,369.32

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Solution

The fourth proportional to 39,274.30, 54,199.09 and 21,369.32 is: 29,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.30 : 54,199.09 = 21,369.32 : x
  2. Step 2: Convert to fraction form
    39,274.30/54,199.09 = 21,369.32/x
  3. Step 3: Cross multiply
    39,274.30x = 54,199.09 × 21,369.32
  4. Step 4: Simplify right side
    39,274.30x = 1,158,197,656.88
  5. Step 5: Solve for x
    x = 1,158,197,656.88/39,274.30
  6. Step 6: Final answer
    x = 29,489.96

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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.