Home / 30,403.02-41,954.40-16,975.14

Finding the Fourth Proportional to 30,403.02, 41,954.40 and 16,975.14

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Solution

The fourth proportional to 30,403.02, 41,954.40 and 16,975.14 is: 23,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.02 : 41,954.40 = 16,975.14 : x
  2. Step 2: Convert to fraction form
    30,403.02/41,954.40 = 16,975.14/x
  3. Step 3: Cross multiply
    30,403.02x = 41,954.40 × 16,975.14
  4. Step 4: Simplify right side
    30,403.02x = 712,181,813.62
  5. Step 5: Solve for x
    x = 712,181,813.62/30,403.02
  6. Step 6: Final answer
    x = 23,424.71

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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.