Home / 30,886.77-46,328.31-19,042.65

Finding the Fourth Proportional to 30,886.77, 46,328.31 and 19,042.65

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Solution

The fourth proportional to 30,886.77, 46,328.31 and 19,042.65 is: 28,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.77 : 46,328.31 = 19,042.65 : x
  2. Step 2: Convert to fraction form
    30,886.77/46,328.31 = 19,042.65/x
  3. Step 3: Cross multiply
    30,886.77x = 46,328.31 × 19,042.65
  4. Step 4: Simplify right side
    30,886.77x = 882,213,792.42
  5. Step 5: Solve for x
    x = 882,213,792.42/30,886.77
  6. Step 6: Final answer
    x = 28,562.84

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1.5x scale

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.