Home / 38,218.74-52,738.97-21,448.50

Finding the Fourth Proportional to 38,218.74, 52,738.97 and 21,448.50

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Solution

The fourth proportional to 38,218.74, 52,738.97 and 21,448.50 is: 29,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.74 : 52,738.97 = 21,448.50 : x
  2. Step 2: Convert to fraction form
    38,218.74/52,738.97 = 21,448.50/x
  3. Step 3: Cross multiply
    38,218.74x = 52,738.97 × 21,448.50
  4. Step 4: Simplify right side
    38,218.74x = 1,131,171,798.05
  5. Step 5: Solve for x
    x = 1,131,171,798.05/38,218.74
  6. Step 6: Final answer
    x = 29,597.31

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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.