Home / 38,918.61-53,708.99-23,016.69

Finding the Fourth Proportional to 38,918.61, 53,708.99 and 23,016.69

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Solution

The fourth proportional to 38,918.61, 53,708.99 and 23,016.69 is: 31,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,918.61 : 53,708.99 = 23,016.69 : x
  2. Step 2: Convert to fraction form
    38,918.61/53,708.99 = 23,016.69/x
  3. Step 3: Cross multiply
    38,918.61x = 53,708.99 × 23,016.69
  4. Step 4: Simplify right side
    38,918.61x = 1,236,203,173.04
  5. Step 5: Solve for x
    x = 1,236,203,173.04/38,918.61
  6. Step 6: Final answer
    x = 31,763.81

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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.