Home / 33,075.15-45,641.34-18,730.86

Finding the Fourth Proportional to 33,075.15, 45,641.34 and 18,730.86

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Solution

The fourth proportional to 33,075.15, 45,641.34 and 18,730.86 is: 25,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.15 : 45,641.34 = 18,730.86 : x
  2. Step 2: Convert to fraction form
    33,075.15/45,641.34 = 18,730.86/x
  3. Step 3: Cross multiply
    33,075.15x = 45,641.34 × 18,730.86
  4. Step 4: Simplify right side
    33,075.15x = 854,901,549.75
  5. Step 5: Solve for x
    x = 854,901,549.75/33,075.15
  6. Step 6: Final answer
    x = 25,847.25

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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.