Home / 43,549.11-65,053.40-31,608.09

Finding the Fourth Proportional to 43,549.11, 65,053.40 and 31,608.09

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Solution

The fourth proportional to 43,549.11, 65,053.40 and 31,608.09 is: 47,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.11 : 65,053.40 = 31,608.09 : x
  2. Step 2: Convert to fraction form
    43,549.11/65,053.40 = 31,608.09/x
  3. Step 3: Cross multiply
    43,549.11x = 65,053.40 × 31,608.09
  4. Step 4: Simplify right side
    43,549.11x = 2,056,213,563.97
  5. Step 5: Solve for x
    x = 2,056,213,563.97/43,549.11
  6. Step 6: Final answer
    x = 47,215.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.