Home / 38,961.02-53,766.23-21,056.02

Finding the Fourth Proportional to 38,961.02, 53,766.23 and 21,056.02

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Solution

The fourth proportional to 38,961.02, 53,766.23 and 21,056.02 is: 29,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.02 : 53,766.23 = 21,056.02 : x
  2. Step 2: Convert to fraction form
    38,961.02/53,766.23 = 21,056.02/x
  3. Step 3: Cross multiply
    38,961.02x = 53,766.23 × 21,056.02
  4. Step 4: Simplify right side
    38,961.02x = 1,132,102,814.20
  5. Step 5: Solve for x
    x = 1,132,102,814.20/38,961.02
  6. Step 6: Final answer
    x = 29,057.32

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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.