Home / 29,154.40-43,720.80-9,433.60

Finding the Fourth Proportional to 29,154.40, 43,720.80 and 9,433.60

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Solution

The fourth proportional to 29,154.40, 43,720.80 and 9,433.60 is: 14,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.40 : 43,720.80 = 9,433.60 : x
  2. Step 2: Convert to fraction form
    29,154.40/43,720.80 = 9,433.60/x
  3. Step 3: Cross multiply
    29,154.40x = 43,720.80 × 9,433.60
  4. Step 4: Simplify right side
    29,154.40x = 412,444,538.88
  5. Step 5: Solve for x
    x = 412,444,538.88/29,154.40
  6. Step 6: Final answer
    x = 14,146.91

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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.