Home / 54,090.56-74,644.80-30,216.96

Finding the Fourth Proportional to 54,090.56, 74,644.80 and 30,216.96

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Solution

The fourth proportional to 54,090.56, 74,644.80 and 30,216.96 is: 41,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.56 : 74,644.80 = 30,216.96 : x
  2. Step 2: Convert to fraction form
    54,090.56/74,644.80 = 30,216.96/x
  3. Step 3: Cross multiply
    54,090.56x = 74,644.80 × 30,216.96
  4. Step 4: Simplify right side
    54,090.56x = 2,255,538,935.81
  5. Step 5: Solve for x
    x = 2,255,538,935.81/54,090.56
  6. Step 6: Final answer
    x = 41,699.31

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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.