Home / 38,192.23-52,705.20-21,196.68

Finding the Fourth Proportional to 38,192.23, 52,705.20 and 21,196.68

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Solution

The fourth proportional to 38,192.23, 52,705.20 and 21,196.68 is: 29,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,192.23 : 52,705.20 = 21,196.68 : x
  2. Step 2: Convert to fraction form
    38,192.23/52,705.20 = 21,196.68/x
  3. Step 3: Cross multiply
    38,192.23x = 52,705.20 × 21,196.68
  4. Step 4: Simplify right side
    38,192.23x = 1,117,175,258.74
  5. Step 5: Solve for x
    x = 1,117,175,258.74/38,192.23
  6. Step 6: Final answer
    x = 29,251.38

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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.