Home / 39,606.24-54,656.58-21,702.36

Finding the Fourth Proportional to 39,606.24, 54,656.58 and 21,702.36

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Solution

The fourth proportional to 39,606.24, 54,656.58 and 21,702.36 is: 29,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,606.24 : 54,656.58 = 21,702.36 : x
  2. Step 2: Convert to fraction form
    39,606.24/54,656.58 = 21,702.36/x
  3. Step 3: Cross multiply
    39,606.24x = 54,656.58 × 21,702.36
  4. Step 4: Simplify right side
    39,606.24x = 1,186,176,775.53
  5. Step 5: Solve for x
    x = 1,186,176,775.53/39,606.24
  6. Step 6: Final answer
    x = 29,949.24

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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.