Home / 30,019.86-41,427.41-16,591.11

Finding the Fourth Proportional to 30,019.86, 41,427.41 and 16,591.11

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Solution

The fourth proportional to 30,019.86, 41,427.41 and 16,591.11 is: 22,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,019.86 : 41,427.41 = 16,591.11 : x
  2. Step 2: Convert to fraction form
    30,019.86/41,427.41 = 16,591.11/x
  3. Step 3: Cross multiply
    30,019.86x = 41,427.41 × 16,591.11
  4. Step 4: Simplify right side
    30,019.86x = 687,326,879.61
  5. Step 5: Solve for x
    x = 687,326,879.61/30,019.86
  6. Step 6: Final answer
    x = 22,895.74

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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.