Home / 45,439.20-68,142.24-15,848.64

Finding the Fourth Proportional to 45,439.20, 68,142.24 and 15,848.64

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Solution

The fourth proportional to 45,439.20, 68,142.24 and 15,848.64 is: 23,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.20 : 68,142.24 = 15,848.64 : x
  2. Step 2: Convert to fraction form
    45,439.20/68,142.24 = 15,848.64/x
  3. Step 3: Cross multiply
    45,439.20x = 68,142.24 × 15,848.64
  4. Step 4: Simplify right side
    45,439.20x = 1,079,961,830.55
  5. Step 5: Solve for x
    x = 1,079,961,830.55/45,439.20
  6. Step 6: Final answer
    x = 23,767.18

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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.