Home / 39,244.53-54,157.68-21,339.48

Finding the Fourth Proportional to 39,244.53, 54,157.68 and 21,339.48

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Solution

The fourth proportional to 39,244.53, 54,157.68 and 21,339.48 is: 29,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,244.53 : 54,157.68 = 21,339.48 : x
  2. Step 2: Convert to fraction form
    39,244.53/54,157.68 = 21,339.48/x
  3. Step 3: Cross multiply
    39,244.53x = 54,157.68 × 21,339.48
  4. Step 4: Simplify right side
    39,244.53x = 1,155,696,729.21
  5. Step 5: Solve for x
    x = 1,155,696,729.21/39,244.53
  6. Step 6: Final answer
    x = 29,448.61

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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.