Home / 38,190.96-52,706.70-21,196.80

Finding the Fourth Proportional to 38,190.96, 52,706.70 and 21,196.80

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Solution

The fourth proportional to 38,190.96, 52,706.70 and 21,196.80 is: 29,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.96 : 52,706.70 = 21,196.80 : x
  2. Step 2: Convert to fraction form
    38,190.96/52,706.70 = 21,196.80/x
  3. Step 3: Cross multiply
    38,190.96x = 52,706.70 × 21,196.80
  4. Step 4: Simplify right side
    38,190.96x = 1,117,213,378.56
  5. Step 5: Solve for x
    x = 1,117,213,378.56/38,190.96
  6. Step 6: Final answer
    x = 29,253.35

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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.