Home / 36,319.54-54,466.93-12,620.81

Finding the Fourth Proportional to 36,319.54, 54,466.93 and 12,620.81

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Solution

The fourth proportional to 36,319.54, 54,466.93 and 12,620.81 is: 18,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,319.54 : 54,466.93 = 12,620.81 : x
  2. Step 2: Convert to fraction form
    36,319.54/54,466.93 = 12,620.81/x
  3. Step 3: Cross multiply
    36,319.54x = 54,466.93 × 12,620.81
  4. Step 4: Simplify right side
    36,319.54x = 687,416,926.76
  5. Step 5: Solve for x
    x = 687,416,926.76/36,319.54
  6. Step 6: Final answer
    x = 18,926.92

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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.