Home / 30,107.36-41,549.29-16,678.32

Finding the Fourth Proportional to 30,107.36, 41,549.29 and 16,678.32

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Solution

The fourth proportional to 30,107.36, 41,549.29 and 16,678.32 is: 23,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.36 : 41,549.29 = 16,678.32 : x
  2. Step 2: Convert to fraction form
    30,107.36/41,549.29 = 16,678.32/x
  3. Step 3: Cross multiply
    30,107.36x = 41,549.29 × 16,678.32
  4. Step 4: Simplify right side
    30,107.36x = 692,972,156.89
  5. Step 5: Solve for x
    x = 692,972,156.89/30,107.36
  6. Step 6: Final answer
    x = 23,016.70

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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.