Home / 48,845.32-67,374.66-30,921.64

Finding the Fourth Proportional to 48,845.32, 67,374.66 and 30,921.64

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Solution

The fourth proportional to 48,845.32, 67,374.66 and 30,921.64 is: 42,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.32 : 67,374.66 = 30,921.64 : x
  2. Step 2: Convert to fraction form
    48,845.32/67,374.66 = 30,921.64/x
  3. Step 3: Cross multiply
    48,845.32x = 67,374.66 × 30,921.64
  4. Step 4: Simplify right side
    48,845.32x = 2,083,334,981.64
  5. Step 5: Solve for x
    x = 2,083,334,981.64/48,845.32
  6. Step 6: Final answer
    x = 42,651.68

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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.