Home / 38,393.70-52,986.36-21,403.41

Finding the Fourth Proportional to 38,393.70, 52,986.36 and 21,403.41

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Solution

The fourth proportional to 38,393.70, 52,986.36 and 21,403.41 is: 29,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,393.70 : 52,986.36 = 21,403.41 : x
  2. Step 2: Convert to fraction form
    38,393.70/52,986.36 = 21,403.41/x
  3. Step 3: Cross multiply
    38,393.70x = 52,986.36 × 21,403.41
  4. Step 4: Simplify right side
    38,393.70x = 1,134,088,787.49
  5. Step 5: Solve for x
    x = 1,134,088,787.49/38,393.70
  6. Step 6: Final answer
    x = 29,538.41

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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.