Home / 30,089.06-41,522.40-16,660.02

Finding the Fourth Proportional to 30,089.06, 41,522.40 and 16,660.02

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Solution

The fourth proportional to 30,089.06, 41,522.40 and 16,660.02 is: 22,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,089.06 : 41,522.40 = 16,660.02 : x
  2. Step 2: Convert to fraction form
    30,089.06/41,522.40 = 16,660.02/x
  3. Step 3: Cross multiply
    30,089.06x = 41,522.40 × 16,660.02
  4. Step 4: Simplify right side
    30,089.06x = 691,764,014.45
  5. Step 5: Solve for x
    x = 691,764,014.45/30,089.06
  6. Step 6: Final answer
    x = 22,990.55

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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.