Home / 65,564.54-98,344.26-18,817.40

Finding the Fourth Proportional to 65,564.54, 98,344.26 and 18,817.40

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Solution

The fourth proportional to 65,564.54, 98,344.26 and 18,817.40 is: 28,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.54 : 98,344.26 = 18,817.40 : x
  2. Step 2: Convert to fraction form
    65,564.54/98,344.26 = 18,817.40/x
  3. Step 3: Cross multiply
    65,564.54x = 98,344.26 × 18,817.40
  4. Step 4: Simplify right side
    65,564.54x = 1,850,583,278.12
  5. Step 5: Solve for x
    x = 1,850,583,278.12/65,564.54
  6. Step 6: Final answer
    x = 28,225.37

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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.