Home / 43,772.08-65,692.50-30,538.30

Finding the Fourth Proportional to 43,772.08, 65,692.50 and 30,538.30

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Solution

The fourth proportional to 43,772.08, 65,692.50 and 30,538.30 is: 45,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,772.08 : 65,692.50 = 30,538.30 : x
  2. Step 2: Convert to fraction form
    43,772.08/65,692.50 = 30,538.30/x
  3. Step 3: Cross multiply
    43,772.08x = 65,692.50 × 30,538.30
  4. Step 4: Simplify right side
    43,772.08x = 2,006,137,272.75
  5. Step 5: Solve for x
    x = 2,006,137,272.75/43,772.08
  6. Step 6: Final answer
    x = 45,831.44

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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.