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Finding the Fourth Proportional to 46,832.60, 70,178.16 and 18,724.88

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Solution

The fourth proportional to 46,832.60, 70,178.16 and 18,724.88 is: 28,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,832.60 : 70,178.16 = 18,724.88 : x
  2. Step 2: Convert to fraction form
    46,832.60/70,178.16 = 18,724.88/x
  3. Step 3: Cross multiply
    46,832.60x = 70,178.16 × 18,724.88
  4. Step 4: Simplify right side
    46,832.60x = 1,314,077,624.62
  5. Step 5: Solve for x
    x = 1,314,077,624.62/46,832.60
  6. Step 6: Final answer
    x = 28,059.04

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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.