Home / 32,790.02-45,268.90-21,644.42

Finding the Fourth Proportional to 32,790.02, 45,268.90 and 21,644.42

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Solution

The fourth proportional to 32,790.02, 45,268.90 and 21,644.42 is: 29,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,790.02 : 45,268.90 = 21,644.42 : x
  2. Step 2: Convert to fraction form
    32,790.02/45,268.90 = 21,644.42/x
  3. Step 3: Cross multiply
    32,790.02x = 45,268.90 × 21,644.42
  4. Step 4: Simplify right side
    32,790.02x = 979,819,084.54
  5. Step 5: Solve for x
    x = 979,819,084.54/32,790.02
  6. Step 6: Final answer
    x = 29,881.63

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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.