Home / 43,531.40-65,304.30-18,583.40

Finding the Fourth Proportional to 43,531.40, 65,304.30 and 18,583.40

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Solution

The fourth proportional to 43,531.40, 65,304.30 and 18,583.40 is: 27,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.40 : 65,304.30 = 18,583.40 : x
  2. Step 2: Convert to fraction form
    43,531.40/65,304.30 = 18,583.40/x
  3. Step 3: Cross multiply
    43,531.40x = 65,304.30 × 18,583.40
  4. Step 4: Simplify right side
    43,531.40x = 1,213,575,928.62
  5. Step 5: Solve for x
    x = 1,213,575,928.62/43,531.40
  6. Step 6: Final answer
    x = 27,878.17

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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.