Home / 29,990.56-41,390.64-17,415.32

Finding the Fourth Proportional to 29,990.56, 41,390.64 and 17,415.32

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Solution

The fourth proportional to 29,990.56, 41,390.64 and 17,415.32 is: 24,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,990.56 : 41,390.64 = 17,415.32 : x
  2. Step 2: Convert to fraction form
    29,990.56/41,390.64 = 17,415.32/x
  3. Step 3: Cross multiply
    29,990.56x = 41,390.64 × 17,415.32
  4. Step 4: Simplify right side
    29,990.56x = 720,831,240.60
  5. Step 5: Solve for x
    x = 720,831,240.60/29,990.56
  6. Step 6: Final answer
    x = 24,035.27

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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.