Home / 36,904.92-50,931.93-30,171.72

Finding the Fourth Proportional to 36,904.92, 50,931.93 and 30,171.72

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Solution

The fourth proportional to 36,904.92, 50,931.93 and 30,171.72 is: 41,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,904.92 : 50,931.93 = 30,171.72 : x
  2. Step 2: Convert to fraction form
    36,904.92/50,931.93 = 30,171.72/x
  3. Step 3: Cross multiply
    36,904.92x = 50,931.93 × 30,171.72
  4. Step 4: Simplify right side
    36,904.92x = 1,536,703,931.02
  5. Step 5: Solve for x
    x = 1,536,703,931.02/36,904.92
  6. Step 6: Final answer
    x = 41,639.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.