Home / 39,244.20-54,156.94-21,339.32

Finding the Fourth Proportional to 39,244.20, 54,156.94 and 21,339.32

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Solution

The fourth proportional to 39,244.20, 54,156.94 and 21,339.32 is: 29,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,244.20 : 54,156.94 = 21,339.32 : x
  2. Step 2: Convert to fraction form
    39,244.20/54,156.94 = 21,339.32/x
  3. Step 3: Cross multiply
    39,244.20x = 54,156.94 × 21,339.32
  4. Step 4: Simplify right side
    39,244.20x = 1,155,672,272.88
  5. Step 5: Solve for x
    x = 1,155,672,272.88/39,244.20
  6. Step 6: Final answer
    x = 29,448.23

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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.