Home / 46,295.19-69,431.85-21,319.65

Finding the Fourth Proportional to 46,295.19, 69,431.85 and 21,319.65

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Solution

The fourth proportional to 46,295.19, 69,431.85 and 21,319.65 is: 31,974.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,295.19 : 69,431.85 = 21,319.65 : x
  2. Step 2: Convert to fraction form
    46,295.19/69,431.85 = 21,319.65/x
  3. Step 3: Cross multiply
    46,295.19x = 69,431.85 × 21,319.65
  4. Step 4: Simplify right side
    46,295.19x = 1,480,262,740.85
  5. Step 5: Solve for x
    x = 1,480,262,740.85/46,295.19
  6. Step 6: Final answer
    x = 31,974.44

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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.