Home / 39,373.35-54,335.24-21,467.98

Finding the Fourth Proportional to 39,373.35, 54,335.24 and 21,467.98

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Solution

The fourth proportional to 39,373.35, 54,335.24 and 21,467.98 is: 29,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.35 : 54,335.24 = 21,467.98 : x
  2. Step 2: Convert to fraction form
    39,373.35/54,335.24 = 21,467.98/x
  3. Step 3: Cross multiply
    39,373.35x = 54,335.24 × 21,467.98
  4. Step 4: Simplify right side
    39,373.35x = 1,166,467,845.62
  5. Step 5: Solve for x
    x = 1,166,467,845.62/39,373.35
  6. Step 6: Final answer
    x = 29,625.82

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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.