Home / 30,858.99-46,307.61-14,221.41

Finding the Fourth Proportional to 30,858.99, 46,307.61 and 14,221.41

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Solution

The fourth proportional to 30,858.99, 46,307.61 and 14,221.41 is: 21,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,858.99 : 46,307.61 = 14,221.41 : x
  2. Step 2: Convert to fraction form
    30,858.99/46,307.61 = 14,221.41/x
  3. Step 3: Cross multiply
    30,858.99x = 46,307.61 × 14,221.41
  4. Step 4: Simplify right side
    30,858.99x = 658,559,507.93
  5. Step 5: Solve for x
    x = 658,559,507.93/30,858.99
  6. Step 6: Final answer
    x = 21,340.93

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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.