Home / 30,368.96-41,909.20-16,941.08

Finding the Fourth Proportional to 30,368.96, 41,909.20 and 16,941.08

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Solution

The fourth proportional to 30,368.96, 41,909.20 and 16,941.08 is: 23,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368.96 : 41,909.20 = 16,941.08 : x
  2. Step 2: Convert to fraction form
    30,368.96/41,909.20 = 16,941.08/x
  3. Step 3: Cross multiply
    30,368.96x = 41,909.20 × 16,941.08
  4. Step 4: Simplify right side
    30,368.96x = 709,987,109.94
  5. Step 5: Solve for x
    x = 709,987,109.94/30,368.96
  6. Step 6: Final answer
    x = 23,378.71

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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.