Home / 33,688.44-50,516.28-12,631.68

Finding the Fourth Proportional to 33,688.44, 50,516.28 and 12,631.68

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Solution

The fourth proportional to 33,688.44, 50,516.28 and 12,631.68 is: 18,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.44 : 50,516.28 = 12,631.68 : x
  2. Step 2: Convert to fraction form
    33,688.44/50,516.28 = 12,631.68/x
  3. Step 3: Cross multiply
    33,688.44x = 50,516.28 × 12,631.68
  4. Step 4: Simplify right side
    33,688.44x = 638,105,483.75
  5. Step 5: Solve for x
    x = 638,105,483.75/33,688.44
  6. Step 6: Final answer
    x = 18,941.38

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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.