Home / 35,261.96-48,661.51-20,154.95

Finding the Fourth Proportional to 35,261.96, 48,661.51 and 20,154.95

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Solution

The fourth proportional to 35,261.96, 48,661.51 and 20,154.95 is: 27,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,261.96 : 48,661.51 = 20,154.95 : x
  2. Step 2: Convert to fraction form
    35,261.96/48,661.51 = 20,154.95/x
  3. Step 3: Cross multiply
    35,261.96x = 48,661.51 × 20,154.95
  4. Step 4: Simplify right side
    35,261.96x = 980,770,356.58
  5. Step 5: Solve for x
    x = 980,770,356.58/35,261.96
  6. Step 6: Final answer
    x = 27,813.83

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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.