Home / 43,211.68-64,830.96-36,685.60

Finding the Fourth Proportional to 43,211.68, 64,830.96 and 36,685.60

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Solution

The fourth proportional to 43,211.68, 64,830.96 and 36,685.60 is: 55,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.68 : 64,830.96 = 36,685.60 : x
  2. Step 2: Convert to fraction form
    43,211.68/64,830.96 = 36,685.60/x
  3. Step 3: Cross multiply
    43,211.68x = 64,830.96 × 36,685.60
  4. Step 4: Simplify right side
    43,211.68x = 2,378,362,666.18
  5. Step 5: Solve for x
    x = 2,378,362,666.18/43,211.68
  6. Step 6: Final answer
    x = 55,039.81

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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.