Home / 38,884.46-53,659.94-21,888.66

Finding the Fourth Proportional to 38,884.46, 53,659.94 and 21,888.66

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Solution

The fourth proportional to 38,884.46, 53,659.94 and 21,888.66 is: 30,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,884.46 : 53,659.94 = 21,888.66 : x
  2. Step 2: Convert to fraction form
    38,884.46/53,659.94 = 21,888.66/x
  3. Step 3: Cross multiply
    38,884.46x = 53,659.94 × 21,888.66
  4. Step 4: Simplify right side
    38,884.46x = 1,174,544,072.84
  5. Step 5: Solve for x
    x = 1,174,544,072.84/38,884.46
  6. Step 6: Final answer
    x = 30,206.01

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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.