Home / 38,175.90-52,683.06-21,181.26

Finding the Fourth Proportional to 38,175.90, 52,683.06 and 21,181.26

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Solution

The fourth proportional to 38,175.90, 52,683.06 and 21,181.26 is: 29,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.90 : 52,683.06 = 21,181.26 : x
  2. Step 2: Convert to fraction form
    38,175.90/52,683.06 = 21,181.26/x
  3. Step 3: Cross multiply
    38,175.90x = 52,683.06 × 21,181.26
  4. Step 4: Simplify right side
    38,175.90x = 1,115,893,591.46
  5. Step 5: Solve for x
    x = 1,115,893,591.46/38,175.90
  6. Step 6: Final answer
    x = 29,230.32

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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.