Home / 39,415.62-54,391.40-22,417.56

Finding the Fourth Proportional to 39,415.62, 54,391.40 and 22,417.56

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Solution

The fourth proportional to 39,415.62, 54,391.40 and 22,417.56 is: 30,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.62 : 54,391.40 = 22,417.56 : x
  2. Step 2: Convert to fraction form
    39,415.62/54,391.40 = 22,417.56/x
  3. Step 3: Cross multiply
    39,415.62x = 54,391.40 × 22,417.56
  4. Step 4: Simplify right side
    39,415.62x = 1,219,322,472.98
  5. Step 5: Solve for x
    x = 1,219,322,472.98/39,415.62
  6. Step 6: Final answer
    x = 30,935.01

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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.