Home / 39,832.72-54,968.18-21,927.57

Finding the Fourth Proportional to 39,832.72, 54,968.18 and 21,927.57

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Solution

The fourth proportional to 39,832.72, 54,968.18 and 21,927.57 is: 30,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,832.72 : 54,968.18 = 21,927.57 : x
  2. Step 2: Convert to fraction form
    39,832.72/54,968.18 = 21,927.57/x
  3. Step 3: Cross multiply
    39,832.72x = 54,968.18 × 21,927.57
  4. Step 4: Simplify right side
    39,832.72x = 1,205,318,614.72
  5. Step 5: Solve for x
    x = 1,205,318,614.72/39,832.72
  6. Step 6: Final answer
    x = 30,259.51

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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.