Home / 30,393.20-41,941.32-16,965.92

Finding the Fourth Proportional to 30,393.20, 41,941.32 and 16,965.92

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Solution

The fourth proportional to 30,393.20, 41,941.32 and 16,965.92 is: 23,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.20 : 41,941.32 = 16,965.92 : x
  2. Step 2: Convert to fraction form
    30,393.20/41,941.32 = 16,965.92/x
  3. Step 3: Cross multiply
    30,393.20x = 41,941.32 × 16,965.92
  4. Step 4: Simplify right side
    30,393.20x = 711,573,079.81
  5. Step 5: Solve for x
    x = 711,573,079.81/30,393.20
  6. Step 6: Final answer
    x = 23,412.25

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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.