Home / 34,343.94-47,391.45-19,439.94

Finding the Fourth Proportional to 34,343.94, 47,391.45 and 19,439.94

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Solution

The fourth proportional to 34,343.94, 47,391.45 and 19,439.94 is: 26,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,343.94 : 47,391.45 = 19,439.94 : x
  2. Step 2: Convert to fraction form
    34,343.94/47,391.45 = 19,439.94/x
  3. Step 3: Cross multiply
    34,343.94x = 47,391.45 × 19,439.94
  4. Step 4: Simplify right side
    34,343.94x = 921,286,944.51
  5. Step 5: Solve for x
    x = 921,286,944.51/34,343.94
  6. Step 6: Final answer
    x = 26,825.31

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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.