Home / 65,549.28-98,325-18,802.17

Finding the Fourth Proportional to 65,549.28, 98,325 and 18,802.17

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Solution

The fourth proportional to 65,549.28, 98,325 and 18,802.17 is: 28,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,549.28 : 98,325 = 18,802.17 : x
  2. Step 2: Convert to fraction form
    65,549.28/98,325 = 18,802.17/x
  3. Step 3: Cross multiply
    65,549.28x = 98,325 × 18,802.17
  4. Step 4: Simplify right side
    65,549.28x = 1,848,723,365.25
  5. Step 5: Solve for x
    x = 1,848,723,365.25/65,549.28
  6. Step 6: Final answer
    x = 28,203.56

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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.