Home / 43,285.64-64,935.29-18,325.84

Finding the Fourth Proportional to 43,285.64, 64,935.29 and 18,325.84

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Solution

The fourth proportional to 43,285.64, 64,935.29 and 18,325.84 is: 27,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.64 : 64,935.29 = 18,325.84 : x
  2. Step 2: Convert to fraction form
    43,285.64/64,935.29 = 18,325.84/x
  3. Step 3: Cross multiply
    43,285.64x = 64,935.29 × 18,325.84
  4. Step 4: Simplify right side
    43,285.64x = 1,189,993,480.93
  5. Step 5: Solve for x
    x = 1,189,993,480.93/43,285.64
  6. Step 6: Final answer
    x = 27,491.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.