Home / 54,538.98-75,266.73-30,666.66

Finding the Fourth Proportional to 54,538.98, 75,266.73 and 30,666.66

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Solution

The fourth proportional to 54,538.98, 75,266.73 and 30,666.66 is: 42,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,538.98 : 75,266.73 = 30,666.66 : x
  2. Step 2: Convert to fraction form
    54,538.98/75,266.73 = 30,666.66/x
  3. Step 3: Cross multiply
    54,538.98x = 75,266.73 × 30,666.66
  4. Step 4: Simplify right side
    54,538.98x = 2,308,179,218.22
  5. Step 5: Solve for x
    x = 2,308,179,218.22/54,538.98
  6. Step 6: Final answer
    x = 42,321.64

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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.