Home / 30,118.21-45,173.46-7,933.30

Finding the Fourth Proportional to 30,118.21, 45,173.46 and 7,933.30

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Solution

The fourth proportional to 30,118.21, 45,173.46 and 7,933.30 is: 11,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.21 : 45,173.46 = 7,933.30 : x
  2. Step 2: Convert to fraction form
    30,118.21/45,173.46 = 7,933.30/x
  3. Step 3: Cross multiply
    30,118.21x = 45,173.46 × 7,933.30
  4. Step 4: Simplify right side
    30,118.21x = 358,374,610.22
  5. Step 5: Solve for x
    x = 358,374,610.22/30,118.21
  6. Step 6: Final answer
    x = 11,898.93

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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.