Home / 30,983.99-46,644.57-28,228.37

Finding the Fourth Proportional to 30,983.99, 46,644.57 and 28,228.37

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Solution

The fourth proportional to 30,983.99, 46,644.57 and 28,228.37 is: 42,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.99 : 46,644.57 = 28,228.37 : x
  2. Step 2: Convert to fraction form
    30,983.99/46,644.57 = 28,228.37/x
  3. Step 3: Cross multiply
    30,983.99x = 46,644.57 × 28,228.37
  4. Step 4: Simplify right side
    30,983.99x = 1,316,699,947.23
  5. Step 5: Solve for x
    x = 1,316,699,947.23/30,983.99
  6. Step 6: Final answer
    x = 42,496.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.