Home / 30,016.53-45,029.66-9,240.03

Finding the Fourth Proportional to 30,016.53, 45,029.66 and 9,240.03

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Solution

The fourth proportional to 30,016.53, 45,029.66 and 9,240.03 is: 13,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.53 : 45,029.66 = 9,240.03 : x
  2. Step 2: Convert to fraction form
    30,016.53/45,029.66 = 9,240.03/x
  3. Step 3: Cross multiply
    30,016.53x = 45,029.66 × 9,240.03
  4. Step 4: Simplify right side
    30,016.53x = 416,075,363.09
  5. Step 5: Solve for x
    x = 416,075,363.09/30,016.53
  6. Step 6: Final answer
    x = 13,861.54

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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.