Home / 34,740.70-47,942.39-18,825.28

Finding the Fourth Proportional to 34,740.70, 47,942.39 and 18,825.28

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Solution

The fourth proportional to 34,740.70, 47,942.39 and 18,825.28 is: 25,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.70 : 47,942.39 = 18,825.28 : x
  2. Step 2: Convert to fraction form
    34,740.70/47,942.39 = 18,825.28/x
  3. Step 3: Cross multiply
    34,740.70x = 47,942.39 × 18,825.28
  4. Step 4: Simplify right side
    34,740.70x = 902,528,842.83
  5. Step 5: Solve for x
    x = 902,528,842.83/34,740.70
  6. Step 6: Final answer
    x = 25,979.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.