Home / 47,087.76-70,636.08-12,027.60

Finding the Fourth Proportional to 47,087.76, 70,636.08 and 12,027.60

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Solution

The fourth proportional to 47,087.76, 70,636.08 and 12,027.60 is: 18,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,087.76 : 70,636.08 = 12,027.60 : x
  2. Step 2: Convert to fraction form
    47,087.76/70,636.08 = 12,027.60/x
  3. Step 3: Cross multiply
    47,087.76x = 70,636.08 × 12,027.60
  4. Step 4: Simplify right side
    47,087.76x = 849,582,515.81
  5. Step 5: Solve for x
    x = 849,582,515.81/47,087.76
  6. Step 6: Final answer
    x = 18,042.53

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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.