Home / 38,989.32-53,805.42-21,084.36

Finding the Fourth Proportional to 38,989.32, 53,805.42 and 21,084.36

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Solution

The fourth proportional to 38,989.32, 53,805.42 and 21,084.36 is: 29,096.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,989.32 : 53,805.42 = 21,084.36 : x
  2. Step 2: Convert to fraction form
    38,989.32/53,805.42 = 21,084.36/x
  3. Step 3: Cross multiply
    38,989.32x = 53,805.42 × 21,084.36
  4. Step 4: Simplify right side
    38,989.32x = 1,134,452,845.23
  5. Step 5: Solve for x
    x = 1,134,452,845.23/38,989.32
  6. Step 6: Final answer
    x = 29,096.50

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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.