Home / 30,050.75-41,470.53-16,621.66

Finding the Fourth Proportional to 30,050.75, 41,470.53 and 16,621.66

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Solution

The fourth proportional to 30,050.75, 41,470.53 and 16,621.66 is: 22,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.75 : 41,470.53 = 16,621.66 : x
  2. Step 2: Convert to fraction form
    30,050.75/41,470.53 = 16,621.66/x
  3. Step 3: Cross multiply
    30,050.75x = 41,470.53 × 16,621.66
  4. Step 4: Simplify right side
    30,050.75x = 689,308,899.41
  5. Step 5: Solve for x
    x = 689,308,899.41/30,050.75
  6. Step 6: Final answer
    x = 22,938.16

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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.