Home / 38,522.36-53,156.58-21,755.36

Finding the Fourth Proportional to 38,522.36, 53,156.58 and 21,755.36

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Solution

The fourth proportional to 38,522.36, 53,156.58 and 21,755.36 is: 30,019.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.36 : 53,156.58 = 21,755.36 : x
  2. Step 2: Convert to fraction form
    38,522.36/53,156.58 = 21,755.36/x
  3. Step 3: Cross multiply
    38,522.36x = 53,156.58 × 21,755.36
  4. Step 4: Simplify right side
    38,522.36x = 1,156,440,534.27
  5. Step 5: Solve for x
    x = 1,156,440,534.27/38,522.36
  6. Step 6: Final answer
    x = 30,019.98

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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.