Home / 39,586.38-54,627.26-21,681.48

Finding the Fourth Proportional to 39,586.38, 54,627.26 and 21,681.48

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Solution

The fourth proportional to 39,586.38, 54,627.26 and 21,681.48 is: 29,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,586.38 : 54,627.26 = 21,681.48 : x
  2. Step 2: Convert to fraction form
    39,586.38/54,627.26 = 21,681.48/x
  3. Step 3: Cross multiply
    39,586.38x = 54,627.26 × 21,681.48
  4. Step 4: Simplify right side
    39,586.38x = 1,184,399,845.14
  5. Step 5: Solve for x
    x = 1,184,399,845.14/39,586.38
  6. Step 6: Final answer
    x = 29,919.38

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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.