Home / 29,122.90-40,204.15-19,066.75

Finding the Fourth Proportional to 29,122.90, 40,204.15 and 19,066.75

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Solution

The fourth proportional to 29,122.90, 40,204.15 and 19,066.75 is: 26,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.90 : 40,204.15 = 19,066.75 : x
  2. Step 2: Convert to fraction form
    29,122.90/40,204.15 = 19,066.75/x
  3. Step 3: Cross multiply
    29,122.90x = 40,204.15 × 19,066.75
  4. Step 4: Simplify right side
    29,122.90x = 766,562,328.84
  5. Step 5: Solve for x
    x = 766,562,328.84/29,122.90
  6. Step 6: Final answer
    x = 26,321.64

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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.