Home / 65,564.51-98,344.22-18,817.38

Finding the Fourth Proportional to 65,564.51, 98,344.22 and 18,817.38

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Solution

The fourth proportional to 65,564.51, 98,344.22 and 18,817.38 is: 28,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.51 : 98,344.22 = 18,817.38 : x
  2. Step 2: Convert to fraction form
    65,564.51/98,344.22 = 18,817.38/x
  3. Step 3: Cross multiply
    65,564.51x = 98,344.22 × 18,817.38
  4. Step 4: Simplify right side
    65,564.51x = 1,850,580,464.46
  5. Step 5: Solve for x
    x = 1,850,580,464.46/65,564.51
  6. Step 6: Final answer
    x = 28,225.34

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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.