Home / 39,200.12-54,096.54-21,295.26

Finding the Fourth Proportional to 39,200.12, 54,096.54 and 21,295.26

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Solution

The fourth proportional to 39,200.12, 54,096.54 and 21,295.26 is: 29,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.12 : 54,096.54 = 21,295.26 : x
  2. Step 2: Convert to fraction form
    39,200.12/54,096.54 = 21,295.26/x
  3. Step 3: Cross multiply
    39,200.12x = 54,096.54 × 21,295.26
  4. Step 4: Simplify right side
    39,200.12x = 1,151,999,884.40
  5. Step 5: Solve for x
    x = 1,151,999,884.40/39,200.12
  6. Step 6: Final answer
    x = 29,387.66

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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.