Home / 39,551.13-59,327.43-18,485.40

Finding the Fourth Proportional to 39,551.13, 59,327.43 and 18,485.40

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Solution

The fourth proportional to 39,551.13, 59,327.43 and 18,485.40 is: 27,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,551.13 : 59,327.43 = 18,485.40 : x
  2. Step 2: Convert to fraction form
    39,551.13/59,327.43 = 18,485.40/x
  3. Step 3: Cross multiply
    39,551.13x = 59,327.43 × 18,485.40
  4. Step 4: Simplify right side
    39,551.13x = 1,096,691,274.52
  5. Step 5: Solve for x
    x = 1,096,691,274.52/39,551.13
  6. Step 6: Final answer
    x = 27,728.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.