Home / 30,357.20-45,533.24-17,168.08

Finding the Fourth Proportional to 30,357.20, 45,533.24 and 17,168.08

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Solution

The fourth proportional to 30,357.20, 45,533.24 and 17,168.08 is: 25,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.20 : 45,533.24 = 17,168.08 : x
  2. Step 2: Convert to fraction form
    30,357.20/45,533.24 = 17,168.08/x
  3. Step 3: Cross multiply
    30,357.20x = 45,533.24 × 17,168.08
  4. Step 4: Simplify right side
    30,357.20x = 781,718,306.98
  5. Step 5: Solve for x
    x = 781,718,306.98/30,357.20
  6. Step 6: Final answer
    x = 25,750.67

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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.