Home / 54,090.19-74,644.27-29,890.48

Finding the Fourth Proportional to 54,090.19, 74,644.27 and 29,890.48

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Solution

The fourth proportional to 54,090.19, 74,644.27 and 29,890.48 is: 41,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.19 : 74,644.27 = 29,890.48 : x
  2. Step 2: Convert to fraction form
    54,090.19/74,644.27 = 29,890.48/x
  3. Step 3: Cross multiply
    54,090.19x = 74,644.27 × 29,890.48
  4. Step 4: Simplify right side
    54,090.19x = 2,231,153,059.55
  5. Step 5: Solve for x
    x = 2,231,153,059.55/54,090.19
  6. Step 6: Final answer
    x = 41,248.76

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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.