Home / 39,184.02-54,073.94-21,279.03

Finding the Fourth Proportional to 39,184.02, 54,073.94 and 21,279.03

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Solution

The fourth proportional to 39,184.02, 54,073.94 and 21,279.03 is: 29,365.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,184.02 : 54,073.94 = 21,279.03 : x
  2. Step 2: Convert to fraction form
    39,184.02/54,073.94 = 21,279.03/x
  3. Step 3: Cross multiply
    39,184.02x = 54,073.94 × 21,279.03
  4. Step 4: Simplify right side
    39,184.02x = 1,150,640,682.31
  5. Step 5: Solve for x
    x = 1,150,640,682.31/39,184.02
  6. Step 6: Final answer
    x = 29,365.05

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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.