Home / 32,942.96-45,430.16-21,622.27

Finding the Fourth Proportional to 32,942.96, 45,430.16 and 21,622.27

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Solution

The fourth proportional to 32,942.96, 45,430.16 and 21,622.27 is: 29,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,942.96 : 45,430.16 = 21,622.27 : x
  2. Step 2: Convert to fraction form
    32,942.96/45,430.16 = 21,622.27/x
  3. Step 3: Cross multiply
    32,942.96x = 45,430.16 × 21,622.27
  4. Step 4: Simplify right side
    32,942.96x = 982,303,185.66
  5. Step 5: Solve for x
    x = 982,303,185.66/32,942.96
  6. Step 6: Final answer
    x = 29,818.30

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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.