Home / 30,160.63-41,621.78-16,732.15

Finding the Fourth Proportional to 30,160.63, 41,621.78 and 16,732.15

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Solution

The fourth proportional to 30,160.63, 41,621.78 and 16,732.15 is: 23,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.63 : 41,621.78 = 16,732.15 : x
  2. Step 2: Convert to fraction form
    30,160.63/41,621.78 = 16,732.15/x
  3. Step 3: Cross multiply
    30,160.63x = 41,621.78 × 16,732.15
  4. Step 4: Simplify right side
    30,160.63x = 696,421,866.23
  5. Step 5: Solve for x
    x = 696,421,866.23/30,160.63
  6. Step 6: Final answer
    x = 23,090.43

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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.