Home / 29,480.63-40,683.47-16,905.38

Finding the Fourth Proportional to 29,480.63, 40,683.47 and 16,905.38

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Solution

The fourth proportional to 29,480.63, 40,683.47 and 16,905.38 is: 23,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,480.63 : 40,683.47 = 16,905.38 : x
  2. Step 2: Convert to fraction form
    29,480.63/40,683.47 = 16,905.38/x
  3. Step 3: Cross multiply
    29,480.63x = 40,683.47 × 16,905.38
  4. Step 4: Simplify right side
    29,480.63x = 687,769,232.12
  5. Step 5: Solve for x
    x = 687,769,232.12/29,480.63
  6. Step 6: Final answer
    x = 23,329.53

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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.