Home / 30,100.74-41,537.19-16,671.20

Finding the Fourth Proportional to 30,100.74, 41,537.19 and 16,671.20

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Solution

The fourth proportional to 30,100.74, 41,537.19 and 16,671.20 is: 23,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.74 : 41,537.19 = 16,671.20 : x
  2. Step 2: Convert to fraction form
    30,100.74/41,537.19 = 16,671.20/x
  3. Step 3: Cross multiply
    30,100.74x = 41,537.19 × 16,671.20
  4. Step 4: Simplify right side
    30,100.74x = 692,474,594.24
  5. Step 5: Solve for x
    x = 692,474,594.24/30,100.74
  6. Step 6: Final answer
    x = 23,005.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.