Home / 43,017.62-64,501.31-16,691.61

Finding the Fourth Proportional to 43,017.62, 64,501.31 and 16,691.61

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Solution

The fourth proportional to 43,017.62, 64,501.31 and 16,691.61 is: 25,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,017.62 : 64,501.31 = 16,691.61 : x
  2. Step 2: Convert to fraction form
    43,017.62/64,501.31 = 16,691.61/x
  3. Step 3: Cross multiply
    43,017.62x = 64,501.31 × 16,691.61
  4. Step 4: Simplify right side
    43,017.62x = 1,076,630,627.55
  5. Step 5: Solve for x
    x = 1,076,630,627.55/43,017.62
  6. Step 6: Final answer
    x = 25,027.67

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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.