Home / 46,283.28-69,369.27-21,288.88

Finding the Fourth Proportional to 46,283.28, 69,369.27 and 21,288.88

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Solution

The fourth proportional to 46,283.28, 69,369.27 and 21,288.88 is: 31,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,283.28 : 69,369.27 = 21,288.88 : x
  2. Step 2: Convert to fraction form
    46,283.28/69,369.27 = 21,288.88/x
  3. Step 3: Cross multiply
    46,283.28x = 69,369.27 × 21,288.88
  4. Step 4: Simplify right side
    46,283.28x = 1,476,794,064.72
  5. Step 5: Solve for x
    x = 1,476,794,064.72/46,283.28
  6. Step 6: Final answer
    x = 31,907.72

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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.