Home / 38,944.98-53,744.09-21,039.96

Finding the Fourth Proportional to 38,944.98, 53,744.09 and 21,039.96

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Solution

The fourth proportional to 38,944.98, 53,744.09 and 21,039.96 is: 29,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,944.98 : 53,744.09 = 21,039.96 : x
  2. Step 2: Convert to fraction form
    38,944.98/53,744.09 = 21,039.96/x
  3. Step 3: Cross multiply
    38,944.98x = 53,744.09 × 21,039.96
  4. Step 4: Simplify right side
    38,944.98x = 1,130,773,503.84
  5. Step 5: Solve for x
    x = 1,130,773,503.84/38,944.98
  6. Step 6: Final answer
    x = 29,035.15

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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.