Home / 38,239.04-52,771.64-21,243.30

Finding the Fourth Proportional to 38,239.04, 52,771.64 and 21,243.30

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Solution

The fourth proportional to 38,239.04, 52,771.64 and 21,243.30 is: 29,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.04 : 52,771.64 = 21,243.30 : x
  2. Step 2: Convert to fraction form
    38,239.04/52,771.64 = 21,243.30/x
  3. Step 3: Cross multiply
    38,239.04x = 52,771.64 × 21,243.30
  4. Step 4: Simplify right side
    38,239.04x = 1,121,043,673.80
  5. Step 5: Solve for x
    x = 1,121,043,673.80/38,239.04
  6. Step 6: Final answer
    x = 29,316.74

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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.