Home / 54,009.18-74,548.31-31,353.26

Finding the Fourth Proportional to 54,009.18, 74,548.31 and 31,353.26

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Solution

The fourth proportional to 54,009.18, 74,548.31 and 31,353.26 is: 43,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,009.18 : 74,548.31 = 31,353.26 : x
  2. Step 2: Convert to fraction form
    54,009.18/74,548.31 = 31,353.26/x
  3. Step 3: Cross multiply
    54,009.18x = 74,548.31 × 31,353.26
  4. Step 4: Simplify right side
    54,009.18x = 2,337,332,016.48
  5. Step 5: Solve for x
    x = 2,337,332,016.48/54,009.18
  6. Step 6: Final answer
    x = 43,276.57

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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.