Home / 32,941.96-45,428.78-21,621.27

Finding the Fourth Proportional to 32,941.96, 45,428.78 and 21,621.27

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Solution

The fourth proportional to 32,941.96, 45,428.78 and 21,621.27 is: 29,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,941.96 : 45,428.78 = 21,621.27 : x
  2. Step 2: Convert to fraction form
    32,941.96/45,428.78 = 21,621.27/x
  3. Step 3: Cross multiply
    32,941.96x = 45,428.78 × 21,621.27
  4. Step 4: Simplify right side
    32,941.96x = 982,228,014.79
  5. Step 5: Solve for x
    x = 982,228,014.79/32,941.96
  6. Step 6: Final answer
    x = 29,816.93

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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.