Home / 39,618.46-54,673.32-21,714.22

Finding the Fourth Proportional to 39,618.46, 54,673.32 and 21,714.22

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Solution

The fourth proportional to 39,618.46, 54,673.32 and 21,714.22 is: 29,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,618.46 : 54,673.32 = 21,714.22 : x
  2. Step 2: Convert to fraction form
    39,618.46/54,673.32 = 21,714.22/x
  3. Step 3: Cross multiply
    39,618.46x = 54,673.32 × 21,714.22
  4. Step 4: Simplify right side
    39,618.46x = 1,187,188,498.61
  5. Step 5: Solve for x
    x = 1,187,188,498.61/39,618.46
  6. Step 6: Final answer
    x = 29,965.54

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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.