Home / 30,200.63-41,680.52-18,265.08

Finding the Fourth Proportional to 30,200.63, 41,680.52 and 18,265.08

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Solution

The fourth proportional to 30,200.63, 41,680.52 and 18,265.08 is: 25,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.63 : 41,680.52 = 18,265.08 : x
  2. Step 2: Convert to fraction form
    30,200.63/41,680.52 = 18,265.08/x
  3. Step 3: Cross multiply
    30,200.63x = 41,680.52 × 18,265.08
  4. Step 4: Simplify right side
    30,200.63x = 761,297,940.92
  5. Step 5: Solve for x
    x = 761,297,940.92/30,200.63
  6. Step 6: Final answer
    x = 25,208.02

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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.