Home / 38,522.22-53,158.23-21,525.18

Finding the Fourth Proportional to 38,522.22, 53,158.23 and 21,525.18

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Solution

The fourth proportional to 38,522.22, 53,158.23 and 21,525.18 is: 29,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522.22 : 53,158.23 = 21,525.18 : x
  2. Step 2: Convert to fraction form
    38,522.22/53,158.23 = 21,525.18/x
  3. Step 3: Cross multiply
    38,522.22x = 53,158.23 × 21,525.18
  4. Step 4: Simplify right side
    38,522.22x = 1,144,240,469.23
  5. Step 5: Solve for x
    x = 1,144,240,469.23/38,522.22
  6. Step 6: Final answer
    x = 29,703.39

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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.