Home / 30,247.58-41,741.79-16,820.06

Finding the Fourth Proportional to 30,247.58, 41,741.79 and 16,820.06

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Solution

The fourth proportional to 30,247.58, 41,741.79 and 16,820.06 is: 23,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.58 : 41,741.79 = 16,820.06 : x
  2. Step 2: Convert to fraction form
    30,247.58/41,741.79 = 16,820.06/x
  3. Step 3: Cross multiply
    30,247.58x = 41,741.79 × 16,820.06
  4. Step 4: Simplify right side
    30,247.58x = 702,099,412.31
  5. Step 5: Solve for x
    x = 702,099,412.31/30,247.58
  6. Step 6: Final answer
    x = 23,211.75

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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.