Home / 40,018.96-55,230.48-23,023.96

Finding the Fourth Proportional to 40,018.96, 55,230.48 and 23,023.96

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Solution

The fourth proportional to 40,018.96, 55,230.48 and 23,023.96 is: 31,775.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.96 : 55,230.48 = 23,023.96 : x
  2. Step 2: Convert to fraction form
    40,018.96/55,230.48 = 23,023.96/x
  3. Step 3: Cross multiply
    40,018.96x = 55,230.48 × 23,023.96
  4. Step 4: Simplify right side
    40,018.96x = 1,271,624,362.30
  5. Step 5: Solve for x
    x = 1,271,624,362.30/40,018.96
  6. Step 6: Final answer
    x = 31,775.55

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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.