Home / 32,881.31-45,373.45-18,540.32

Finding the Fourth Proportional to 32,881.31, 45,373.45 and 18,540.32

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Solution

The fourth proportional to 32,881.31, 45,373.45 and 18,540.32 is: 25,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.31 : 45,373.45 = 18,540.32 : x
  2. Step 2: Convert to fraction form
    32,881.31/45,373.45 = 18,540.32/x
  3. Step 3: Cross multiply
    32,881.31x = 45,373.45 × 18,540.32
  4. Step 4: Simplify right side
    32,881.31x = 841,238,189.80
  5. Step 5: Solve for x
    x = 841,238,189.80/32,881.31
  6. Step 6: Final answer
    x = 25,584.09

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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.