Home / 30,715.14-46,074.80-10,443.64

Finding the Fourth Proportional to 30,715.14, 46,074.80 and 10,443.64

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Solution

The fourth proportional to 30,715.14, 46,074.80 and 10,443.64 is: 15,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715.14 : 46,074.80 = 10,443.64 : x
  2. Step 2: Convert to fraction form
    30,715.14/46,074.80 = 10,443.64/x
  3. Step 3: Cross multiply
    30,715.14x = 46,074.80 × 10,443.64
  4. Step 4: Simplify right side
    30,715.14x = 481,188,393.90
  5. Step 5: Solve for x
    x = 481,188,393.90/30,715.14
  6. Step 6: Final answer
    x = 15,666.17

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1.5x scale

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.