Home / 30,811.56-45,994.40-27,074.84

Finding the Fourth Proportional to 30,811.56, 45,994.40 and 27,074.84

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Solution

The fourth proportional to 30,811.56, 45,994.40 and 27,074.84 is: 40,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,811.56 : 45,994.40 = 27,074.84 : x
  2. Step 2: Convert to fraction form
    30,811.56/45,994.40 = 27,074.84/x
  3. Step 3: Cross multiply
    30,811.56x = 45,994.40 × 27,074.84
  4. Step 4: Simplify right side
    30,811.56x = 1,245,291,020.90
  5. Step 5: Solve for x
    x = 1,245,291,020.90/30,811.56
  6. Step 6: Final answer
    x = 40,416.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.