Home / 29,333.60-43,942.80-20,002.40

Finding the Fourth Proportional to 29,333.60, 43,942.80 and 20,002.40

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Solution

The fourth proportional to 29,333.60, 43,942.80 and 20,002.40 is: 29,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.60 : 43,942.80 = 20,002.40 : x
  2. Step 2: Convert to fraction form
    29,333.60/43,942.80 = 20,002.40/x
  3. Step 3: Cross multiply
    29,333.60x = 43,942.80 × 20,002.40
  4. Step 4: Simplify right side
    29,333.60x = 878,961,462.72
  5. Step 5: Solve for x
    x = 878,961,462.72/29,333.60
  6. Step 6: Final answer
    x = 29,964.32

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1.5x scale

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.