Home / 30,745.66-42,424.48-17,314.24

Finding the Fourth Proportional to 30,745.66, 42,424.48 and 17,314.24

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Solution

The fourth proportional to 30,745.66, 42,424.48 and 17,314.24 is: 23,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,745.66 : 42,424.48 = 17,314.24 : x
  2. Step 2: Convert to fraction form
    30,745.66/42,424.48 = 17,314.24/x
  3. Step 3: Cross multiply
    30,745.66x = 42,424.48 × 17,314.24
  4. Step 4: Simplify right side
    30,745.66x = 734,547,628.60
  5. Step 5: Solve for x
    x = 734,547,628.60/30,745.66
  6. Step 6: Final answer
    x = 23,891.10

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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.