Home / 30,230.55-41,719.57-16,802.03

Finding the Fourth Proportional to 30,230.55, 41,719.57 and 16,802.03

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Solution

The fourth proportional to 30,230.55, 41,719.57 and 16,802.03 is: 23,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.55 : 41,719.57 = 16,802.03 : x
  2. Step 2: Convert to fraction form
    30,230.55/41,719.57 = 16,802.03/x
  3. Step 3: Cross multiply
    30,230.55x = 41,719.57 × 16,802.03
  4. Step 4: Simplify right side
    30,230.55x = 700,973,258.13
  5. Step 5: Solve for x
    x = 700,973,258.13/30,230.55
  6. Step 6: Final answer
    x = 23,187.58

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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.