Home / 38,939.56-53,736.54-22,172.56

Finding the Fourth Proportional to 38,939.56, 53,736.54 and 22,172.56

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Solution

The fourth proportional to 38,939.56, 53,736.54 and 22,172.56 is: 30,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.56 : 53,736.54 = 22,172.56 : x
  2. Step 2: Convert to fraction form
    38,939.56/53,736.54 = 22,172.56/x
  3. Step 3: Cross multiply
    38,939.56x = 53,736.54 × 22,172.56
  4. Step 4: Simplify right side
    38,939.56x = 1,191,476,657.34
  5. Step 5: Solve for x
    x = 1,191,476,657.34/38,939.56
  6. Step 6: Final answer
    x = 30,598.10

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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.