Home / 30,909.60-46,364.50-11,180.23

Finding the Fourth Proportional to 30,909.60, 46,364.50 and 11,180.23

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Solution

The fourth proportional to 30,909.60, 46,364.50 and 11,180.23 is: 16,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.60 : 46,364.50 = 11,180.23 : x
  2. Step 2: Convert to fraction form
    30,909.60/46,364.50 = 11,180.23/x
  3. Step 3: Cross multiply
    30,909.60x = 46,364.50 × 11,180.23
  4. Step 4: Simplify right side
    30,909.60x = 518,365,671.90
  5. Step 5: Solve for x
    x = 518,365,671.90/30,909.60
  6. Step 6: Final answer
    x = 16,770.38

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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.