Home / 38,525.36-53,160.72-21,758.36

Finding the Fourth Proportional to 38,525.36, 53,160.72 and 21,758.36

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Solution

The fourth proportional to 38,525.36, 53,160.72 and 21,758.36 is: 30,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.36 : 53,160.72 = 21,758.36 : x
  2. Step 2: Convert to fraction form
    38,525.36/53,160.72 = 21,758.36/x
  3. Step 3: Cross multiply
    38,525.36x = 53,160.72 × 21,758.36
  4. Step 4: Simplify right side
    38,525.36x = 1,156,690,083.62
  5. Step 5: Solve for x
    x = 1,156,690,083.62/38,525.36
  6. Step 6: Final answer
    x = 30,024.12

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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.