Home / 50,318.30-75,484.64-18,725.67

Finding the Fourth Proportional to 50,318.30, 75,484.64 and 18,725.67

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Solution

The fourth proportional to 50,318.30, 75,484.64 and 18,725.67 is: 28,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.30 : 75,484.64 = 18,725.67 : x
  2. Step 2: Convert to fraction form
    50,318.30/75,484.64 = 18,725.67/x
  3. Step 3: Cross multiply
    50,318.30x = 75,484.64 × 18,725.67
  4. Step 4: Simplify right side
    50,318.30x = 1,413,500,365.08
  5. Step 5: Solve for x
    x = 1,413,500,365.08/50,318.30
  6. Step 6: Final answer
    x = 28,091.18

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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.