Home / 40,158.12-55,416.68-23,163.08

Finding the Fourth Proportional to 40,158.12, 55,416.68 and 23,163.08

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Solution

The fourth proportional to 40,158.12, 55,416.68 and 23,163.08 is: 31,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.12 : 55,416.68 = 23,163.08 : x
  2. Step 2: Convert to fraction form
    40,158.12/55,416.68 = 23,163.08/x
  3. Step 3: Cross multiply
    40,158.12x = 55,416.68 × 23,163.08
  4. Step 4: Simplify right side
    40,158.12x = 1,283,620,992.17
  5. Step 5: Solve for x
    x = 1,283,620,992.17/40,158.12
  6. Step 6: Final answer
    x = 31,964.17

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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.