Home / 54,057.98-74,596.88-30,186.20

Finding the Fourth Proportional to 54,057.98, 74,596.88 and 30,186.20

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Solution

The fourth proportional to 54,057.98, 74,596.88 and 30,186.20 is: 41,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,057.98 : 74,596.88 = 30,186.20 : x
  2. Step 2: Convert to fraction form
    54,057.98/74,596.88 = 30,186.20/x
  3. Step 3: Cross multiply
    54,057.98x = 74,596.88 × 30,186.20
  4. Step 4: Simplify right side
    54,057.98x = 2,251,796,601.01
  5. Step 5: Solve for x
    x = 2,251,796,601.01/54,057.98
  6. Step 6: Final answer
    x = 41,655.21

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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.