Home / 30,203.30-41,673.83-18,266.40

Finding the Fourth Proportional to 30,203.30, 41,673.83 and 18,266.40

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Solution

The fourth proportional to 30,203.30, 41,673.83 and 18,266.40 is: 25,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.30 : 41,673.83 = 18,266.40 : x
  2. Step 2: Convert to fraction form
    30,203.30/41,673.83 = 18,266.40/x
  3. Step 3: Cross multiply
    30,203.30x = 41,673.83 × 18,266.40
  4. Step 4: Simplify right side
    30,203.30x = 761,230,756.98
  5. Step 5: Solve for x
    x = 761,230,756.98/30,203.30
  6. Step 6: Final answer
    x = 25,203.57

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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.