Home / 30,833.46-46,190.43-20,271.63

Finding the Fourth Proportional to 30,833.46, 46,190.43 and 20,271.63

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Solution

The fourth proportional to 30,833.46, 46,190.43 and 20,271.63 is: 30,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.46 : 46,190.43 = 20,271.63 : x
  2. Step 2: Convert to fraction form
    30,833.46/46,190.43 = 20,271.63/x
  3. Step 3: Cross multiply
    30,833.46x = 46,190.43 × 20,271.63
  4. Step 4: Simplify right side
    30,833.46x = 936,355,306.50
  5. Step 5: Solve for x
    x = 936,355,306.50/30,833.46
  6. Step 6: Final answer
    x = 30,368.16

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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.