Home / 39,261.36-58,901.76-18,480

Finding the Fourth Proportional to 39,261.36, 58,901.76 and 18,480

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Solution

The fourth proportional to 39,261.36, 58,901.76 and 18,480 is: 27,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,261.36 : 58,901.76 = 18,480 : x
  2. Step 2: Convert to fraction form
    39,261.36/58,901.76 = 18,480/x
  3. Step 3: Cross multiply
    39,261.36x = 58,901.76 × 18,480
  4. Step 4: Simplify right side
    39,261.36x = 1,088,504,524.80
  5. Step 5: Solve for x
    x = 1,088,504,524.80/39,261.36
  6. Step 6: Final answer
    x = 27,724.58

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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.