Home / 35,374.62-48,823.92-20,277.40

Finding the Fourth Proportional to 35,374.62, 48,823.92 and 20,277.40

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Solution

The fourth proportional to 35,374.62, 48,823.92 and 20,277.40 is: 27,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.62 : 48,823.92 = 20,277.40 : x
  2. Step 2: Convert to fraction form
    35,374.62/48,823.92 = 20,277.40/x
  3. Step 3: Cross multiply
    35,374.62x = 48,823.92 × 20,277.40
  4. Step 4: Simplify right side
    35,374.62x = 990,022,155.41
  5. Step 5: Solve for x
    x = 990,022,155.41/35,374.62
  6. Step 6: Final answer
    x = 27,986.79

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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.