Home / 45,907.15-68,861.03-12,630.73

Finding the Fourth Proportional to 45,907.15, 68,861.03 and 12,630.73

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Solution

The fourth proportional to 45,907.15, 68,861.03 and 12,630.73 is: 18,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.15 : 68,861.03 = 12,630.73 : x
  2. Step 2: Convert to fraction form
    45,907.15/68,861.03 = 12,630.73/x
  3. Step 3: Cross multiply
    45,907.15x = 68,861.03 × 12,630.73
  4. Step 4: Simplify right side
    45,907.15x = 869,765,281.18
  5. Step 5: Solve for x
    x = 869,765,281.18/45,907.15
  6. Step 6: Final answer
    x = 18,946.18

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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.