Home / 30,860.99-42,588.07-16,713.83

Finding the Fourth Proportional to 30,860.99, 42,588.07 and 16,713.83

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Solution

The fourth proportional to 30,860.99, 42,588.07 and 16,713.83 is: 23,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.99 : 42,588.07 = 16,713.83 : x
  2. Step 2: Convert to fraction form
    30,860.99/42,588.07 = 16,713.83/x
  3. Step 3: Cross multiply
    30,860.99x = 42,588.07 × 16,713.83
  4. Step 4: Simplify right side
    30,860.99x = 711,809,762.01
  5. Step 5: Solve for x
    x = 711,809,762.01/30,860.99
  6. Step 6: Final answer
    x = 23,065.03

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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.