Home / 65,104.81-97,648.58-18,361.45

Finding the Fourth Proportional to 65,104.81, 97,648.58 and 18,361.45

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Solution

The fourth proportional to 65,104.81, 97,648.58 and 18,361.45 is: 27,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.81 : 97,648.58 = 18,361.45 : x
  2. Step 2: Convert to fraction form
    65,104.81/97,648.58 = 18,361.45/x
  3. Step 3: Cross multiply
    65,104.81x = 97,648.58 × 18,361.45
  4. Step 4: Simplify right side
    65,104.81x = 1,792,969,427.43
  5. Step 5: Solve for x
    x = 1,792,969,427.43/65,104.81
  6. Step 6: Final answer
    x = 27,539.74

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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.