Home / 30,719.27-46,078.61-14,074.58

Finding the Fourth Proportional to 30,719.27, 46,078.61 and 14,074.58

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Solution

The fourth proportional to 30,719.27, 46,078.61 and 14,074.58 is: 21,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.27 : 46,078.61 = 14,074.58 : x
  2. Step 2: Convert to fraction form
    30,719.27/46,078.61 = 14,074.58/x
  3. Step 3: Cross multiply
    30,719.27x = 46,078.61 × 14,074.58
  4. Step 4: Simplify right side
    30,719.27x = 648,537,127.56
  5. Step 5: Solve for x
    x = 648,537,127.56/30,719.27
  6. Step 6: Final answer
    x = 21,111.73

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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.