Home / 35,878.56-53,768.70-18,311.55

Finding the Fourth Proportional to 35,878.56, 53,768.70 and 18,311.55

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Solution

The fourth proportional to 35,878.56, 53,768.70 and 18,311.55 is: 27,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,878.56 : 53,768.70 = 18,311.55 : x
  2. Step 2: Convert to fraction form
    35,878.56/53,768.70 = 18,311.55/x
  3. Step 3: Cross multiply
    35,878.56x = 53,768.70 × 18,311.55
  4. Step 4: Simplify right side
    35,878.56x = 984,588,238.49
  5. Step 5: Solve for x
    x = 984,588,238.49/35,878.56
  6. Step 6: Final answer
    x = 27,442.25

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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.