Home / 30,712.08-42,382.18-17,283.33

Finding the Fourth Proportional to 30,712.08, 42,382.18 and 17,283.33

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Solution

The fourth proportional to 30,712.08, 42,382.18 and 17,283.33 is: 23,850.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,712.08 : 42,382.18 = 17,283.33 : x
  2. Step 2: Convert to fraction form
    30,712.08/42,382.18 = 17,283.33/x
  3. Step 3: Cross multiply
    30,712.08x = 42,382.18 × 17,283.33
  4. Step 4: Simplify right side
    30,712.08x = 732,505,203.06
  5. Step 5: Solve for x
    x = 732,505,203.06/30,712.08
  6. Step 6: Final answer
    x = 23,850.72

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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.