Home / 45,340.80-67,883.04-30,520.32

Finding the Fourth Proportional to 45,340.80, 67,883.04 and 30,520.32

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Solution

The fourth proportional to 45,340.80, 67,883.04 and 30,520.32 is: 45,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.80 : 67,883.04 = 30,520.32 : x
  2. Step 2: Convert to fraction form
    45,340.80/67,883.04 = 30,520.32/x
  3. Step 3: Cross multiply
    45,340.80x = 67,883.04 × 30,520.32
  4. Step 4: Simplify right side
    45,340.80x = 2,071,812,103.37
  5. Step 5: Solve for x
    x = 2,071,812,103.37/45,340.80
  6. Step 6: Final answer
    x = 45,694.21

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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.