Home / 32,833.02-45,328.23-21,687.42

Finding the Fourth Proportional to 32,833.02, 45,328.23 and 21,687.42

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Solution

The fourth proportional to 32,833.02, 45,328.23 and 21,687.42 is: 29,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,833.02 : 45,328.23 = 21,687.42 : x
  2. Step 2: Convert to fraction form
    32,833.02/45,328.23 = 21,687.42/x
  3. Step 3: Cross multiply
    32,833.02x = 45,328.23 × 21,687.42
  4. Step 4: Simplify right side
    32,833.02x = 983,052,361.87
  5. Step 5: Solve for x
    x = 983,052,361.87/32,833.02
  6. Step 6: Final answer
    x = 29,940.97

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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.