Home / 36,436.78-54,636.90-17,705.08

Finding the Fourth Proportional to 36,436.78, 54,636.90 and 17,705.08

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Solution

The fourth proportional to 36,436.78, 54,636.90 and 17,705.08 is: 26,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436.78 : 54,636.90 = 17,705.08 : x
  2. Step 2: Convert to fraction form
    36,436.78/54,636.90 = 17,705.08/x
  3. Step 3: Cross multiply
    36,436.78x = 54,636.90 × 17,705.08
  4. Step 4: Simplify right side
    36,436.78x = 967,350,685.45
  5. Step 5: Solve for x
    x = 967,350,685.45/36,436.78
  6. Step 6: Final answer
    x = 26,548.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.