Home / 38,401.09-52,994.45-21,174.01

Finding the Fourth Proportional to 38,401.09, 52,994.45 and 21,174.01

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Solution

The fourth proportional to 38,401.09, 52,994.45 and 21,174.01 is: 29,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.09 : 52,994.45 = 21,174.01 : x
  2. Step 2: Convert to fraction form
    38,401.09/52,994.45 = 21,174.01/x
  3. Step 3: Cross multiply
    38,401.09x = 52,994.45 × 21,174.01
  4. Step 4: Simplify right side
    38,401.09x = 1,122,104,934.69
  5. Step 5: Solve for x
    x = 1,122,104,934.69/38,401.09
  6. Step 6: Final answer
    x = 29,220.66

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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.