Home / 45,915.58-68,873.32-12,635.83

Finding the Fourth Proportional to 45,915.58, 68,873.32 and 12,635.83

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Solution

The fourth proportional to 45,915.58, 68,873.32 and 12,635.83 is: 18,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,915.58 : 68,873.32 = 12,635.83 : x
  2. Step 2: Convert to fraction form
    45,915.58/68,873.32 = 12,635.83/x
  3. Step 3: Cross multiply
    45,915.58x = 68,873.32 × 12,635.83
  4. Step 4: Simplify right side
    45,915.58x = 870,271,563.06
  5. Step 5: Solve for x
    x = 870,271,563.06/45,915.58
  6. Step 6: Final answer
    x = 18,953.73

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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.