Home / 30,063.96-45,100.04-12,529.68

Finding the Fourth Proportional to 30,063.96, 45,100.04 and 12,529.68

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Solution

The fourth proportional to 30,063.96, 45,100.04 and 12,529.68 is: 18,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.96 : 45,100.04 = 12,529.68 : x
  2. Step 2: Convert to fraction form
    30,063.96/45,100.04 = 12,529.68/x
  3. Step 3: Cross multiply
    30,063.96x = 45,100.04 × 12,529.68
  4. Step 4: Simplify right side
    30,063.96x = 565,089,069.19
  5. Step 5: Solve for x
    x = 565,089,069.19/30,063.96
  6. Step 6: Final answer
    x = 18,796.23

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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.