Home / 48,439.32-66,857.50-30,558.77

Finding the Fourth Proportional to 48,439.32, 66,857.50 and 30,558.77

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Solution

The fourth proportional to 48,439.32, 66,857.50 and 30,558.77 is: 42,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.32 : 66,857.50 = 30,558.77 : x
  2. Step 2: Convert to fraction form
    48,439.32/66,857.50 = 30,558.77/x
  3. Step 3: Cross multiply
    48,439.32x = 66,857.50 × 30,558.77
  4. Step 4: Simplify right side
    48,439.32x = 2,043,082,919.90
  5. Step 5: Solve for x
    x = 2,043,082,919.90/48,439.32
  6. Step 6: Final answer
    x = 42,178.19

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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.