Home / 32,749.05-45,158.00-22,120.23

Finding the Fourth Proportional to 32,749.05, 45,158.00 and 22,120.23

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Solution

The fourth proportional to 32,749.05, 45,158.00 and 22,120.23 is: 30,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,749.05 : 45,158.00 = 22,120.23 : x
  2. Step 2: Convert to fraction form
    32,749.05/45,158.00 = 22,120.23/x
  3. Step 3: Cross multiply
    32,749.05x = 45,158.00 × 22,120.23
  4. Step 4: Simplify right side
    32,749.05x = 998,905,235.74
  5. Step 5: Solve for x
    x = 998,905,235.74/32,749.05
  6. Step 6: Final answer
    x = 30,501.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.