Home / 32,211.82-48,312.08-8,519.60

Finding the Fourth Proportional to 32,211.82, 48,312.08 and 8,519.60

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Solution

The fourth proportional to 32,211.82, 48,312.08 and 8,519.60 is: 12,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,211.82 : 48,312.08 = 8,519.60 : x
  2. Step 2: Convert to fraction form
    32,211.82/48,312.08 = 8,519.60/x
  3. Step 3: Cross multiply
    32,211.82x = 48,312.08 × 8,519.60
  4. Step 4: Simplify right side
    32,211.82x = 411,599,596.77
  5. Step 5: Solve for x
    x = 411,599,596.77/32,211.82
  6. Step 6: Final answer
    x = 12,777.91

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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.