Home / 30,868.22-46,320.78-13,338.02

Finding the Fourth Proportional to 30,868.22, 46,320.78 and 13,338.02

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Solution

The fourth proportional to 30,868.22, 46,320.78 and 13,338.02 is: 20,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.22 : 46,320.78 = 13,338.02 : x
  2. Step 2: Convert to fraction form
    30,868.22/46,320.78 = 13,338.02/x
  3. Step 3: Cross multiply
    30,868.22x = 46,320.78 × 13,338.02
  4. Step 4: Simplify right side
    30,868.22x = 617,827,490.06
  5. Step 5: Solve for x
    x = 617,827,490.06/30,868.22
  6. Step 6: Final answer
    x = 20,015.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.