Home / 39,848.32-54,972.22-25,705.72

Finding the Fourth Proportional to 39,848.32, 54,972.22 and 25,705.72

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Solution

The fourth proportional to 39,848.32, 54,972.22 and 25,705.72 is: 35,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.32 : 54,972.22 = 25,705.72 : x
  2. Step 2: Convert to fraction form
    39,848.32/54,972.22 = 25,705.72/x
  3. Step 3: Cross multiply
    39,848.32x = 54,972.22 × 25,705.72
  4. Step 4: Simplify right side
    39,848.32x = 1,413,100,495.10
  5. Step 5: Solve for x
    x = 1,413,100,495.10/39,848.32
  6. Step 6: Final answer
    x = 35,461.98

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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.