Home / 20,175.02-30,262.53-5,383.99

Finding the Fourth Proportional to 20,175.02, 30,262.53 and 5,383.99

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Solution

The fourth proportional to 20,175.02, 30,262.53 and 5,383.99 is: 8,075.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.02 : 30,262.53 = 5,383.99 : x
  2. Step 2: Convert to fraction form
    20,175.02/30,262.53 = 5,383.99/x
  3. Step 3: Cross multiply
    20,175.02x = 30,262.53 × 5,383.99
  4. Step 4: Simplify right side
    20,175.02x = 162,933,158.89
  5. Step 5: Solve for x
    x = 162,933,158.89/20,175.02
  6. Step 6: Final answer
    x = 8,075.99

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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.