Home / 40,311.04-60,450.15-18,118.46

Finding the Fourth Proportional to 40,311.04, 60,450.15 and 18,118.46

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Solution

The fourth proportional to 40,311.04, 60,450.15 and 18,118.46 is: 27,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.04 : 60,450.15 = 18,118.46 : x
  2. Step 2: Convert to fraction form
    40,311.04/60,450.15 = 18,118.46/x
  3. Step 3: Cross multiply
    40,311.04x = 60,450.15 × 18,118.46
  4. Step 4: Simplify right side
    40,311.04x = 1,095,263,390.46
  5. Step 5: Solve for x
    x = 1,095,263,390.46/40,311.04
  6. Step 6: Final answer
    x = 27,170.31

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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.