Home / 57,079.20-85,597.51-19,628.67

Finding the Fourth Proportional to 57,079.20, 85,597.51 and 19,628.67

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Solution

The fourth proportional to 57,079.20, 85,597.51 and 19,628.67 is: 29,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.20 : 85,597.51 = 19,628.67 : x
  2. Step 2: Convert to fraction form
    57,079.20/85,597.51 = 19,628.67/x
  3. Step 3: Cross multiply
    57,079.20x = 85,597.51 × 19,628.67
  4. Step 4: Simplify right side
    57,079.20x = 1,680,164,799.55
  5. Step 5: Solve for x
    x = 1,680,164,799.55/57,079.20
  6. Step 6: Final answer
    x = 29,435.68

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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.