Home / 39,555.52-54,606.36-22,785.28

Finding the Fourth Proportional to 39,555.52, 54,606.36 and 22,785.28

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Solution

The fourth proportional to 39,555.52, 54,606.36 and 22,785.28 is: 31,455.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,555.52 : 54,606.36 = 22,785.28 : x
  2. Step 2: Convert to fraction form
    39,555.52/54,606.36 = 22,785.28/x
  3. Step 3: Cross multiply
    39,555.52x = 54,606.36 × 22,785.28
  4. Step 4: Simplify right side
    39,555.52x = 1,244,221,202.38
  5. Step 5: Solve for x
    x = 1,244,221,202.38/39,555.52
  6. Step 6: Final answer
    x = 31,455.06

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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.