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Finding the Fourth Proportional to 60,398.06, 83,349 and 33,174.68

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Solution

The fourth proportional to 60,398.06, 83,349 and 33,174.68 is: 45,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,398.06 : 83,349 = 33,174.68 : x
  2. Step 2: Convert to fraction form
    60,398.06/83,349 = 33,174.68/x
  3. Step 3: Cross multiply
    60,398.06x = 83,349 × 33,174.68
  4. Step 4: Simplify right side
    60,398.06x = 2,765,075,986.58
  5. Step 5: Solve for x
    x = 2,765,075,986.58/60,398.06
  6. Step 6: Final answer
    x = 45,780.88

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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.