Home / 35,768.34-53,619.66-12,378.42

Finding the Fourth Proportional to 35,768.34, 53,619.66 and 12,378.42

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Solution

The fourth proportional to 35,768.34, 53,619.66 and 12,378.42 is: 18,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,768.34 : 53,619.66 = 12,378.42 : x
  2. Step 2: Convert to fraction form
    35,768.34/53,619.66 = 12,378.42/x
  3. Step 3: Cross multiply
    35,768.34x = 53,619.66 × 12,378.42
  4. Step 4: Simplify right side
    35,768.34x = 663,726,671.74
  5. Step 5: Solve for x
    x = 663,726,671.74/35,768.34
  6. Step 6: Final answer
    x = 18,556.26

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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.