Home / 39,524.64-54,543.24-21,619.59

Finding the Fourth Proportional to 39,524.64, 54,543.24 and 21,619.59

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Solution

The fourth proportional to 39,524.64, 54,543.24 and 21,619.59 is: 29,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,524.64 : 54,543.24 = 21,619.59 : x
  2. Step 2: Convert to fraction form
    39,524.64/54,543.24 = 21,619.59/x
  3. Step 3: Cross multiply
    39,524.64x = 54,543.24 × 21,619.59
  4. Step 4: Simplify right side
    39,524.64x = 1,179,202,486.07
  5. Step 5: Solve for x
    x = 1,179,202,486.07/39,524.64
  6. Step 6: Final answer
    x = 29,834.62

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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.