Home / 42,157.54-63,236.30-12,596.12

Finding the Fourth Proportional to 42,157.54, 63,236.30 and 12,596.12

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Solution

The fourth proportional to 42,157.54, 63,236.30 and 12,596.12 is: 18,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.54 : 63,236.30 = 12,596.12 : x
  2. Step 2: Convert to fraction form
    42,157.54/63,236.30 = 12,596.12/x
  3. Step 3: Cross multiply
    42,157.54x = 63,236.30 × 12,596.12
  4. Step 4: Simplify right side
    42,157.54x = 796,532,023.16
  5. Step 5: Solve for x
    x = 796,532,023.16/42,157.54
  6. Step 6: Final answer
    x = 18,894.18

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Similar ratio
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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.