Home / 51,777.12-77,652.88-22,191.60

Finding the Fourth Proportional to 51,777.12, 77,652.88 and 22,191.60

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Solution

The fourth proportional to 51,777.12, 77,652.88 and 22,191.60 is: 33,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,777.12 : 77,652.88 = 22,191.60 : x
  2. Step 2: Convert to fraction form
    51,777.12/77,652.88 = 22,191.60/x
  3. Step 3: Cross multiply
    51,777.12x = 77,652.88 × 22,191.60
  4. Step 4: Simplify right side
    51,777.12x = 1,723,241,651.81
  5. Step 5: Solve for x
    x = 1,723,241,651.81/51,777.12
  6. Step 6: Final answer
    x = 33,281.91

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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.