Home / 43,375.80-65,063.38-12,210.36

Finding the Fourth Proportional to 43,375.80, 65,063.38 and 12,210.36

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Solution

The fourth proportional to 43,375.80, 65,063.38 and 12,210.36 is: 18,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.80 : 65,063.38 = 12,210.36 : x
  2. Step 2: Convert to fraction form
    43,375.80/65,063.38 = 12,210.36/x
  3. Step 3: Cross multiply
    43,375.80x = 65,063.38 × 12,210.36
  4. Step 4: Simplify right side
    43,375.80x = 794,447,292.62
  5. Step 5: Solve for x
    x = 794,447,292.62/43,375.80
  6. Step 6: Final answer
    x = 18,315.45

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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.