Home / 33,615.81-46,393.02-20,187.63

Finding the Fourth Proportional to 33,615.81, 46,393.02 and 20,187.63

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Solution

The fourth proportional to 33,615.81, 46,393.02 and 20,187.63 is: 27,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,615.81 : 46,393.02 = 20,187.63 : x
  2. Step 2: Convert to fraction form
    33,615.81/46,393.02 = 20,187.63/x
  3. Step 3: Cross multiply
    33,615.81x = 46,393.02 × 20,187.63
  4. Step 4: Simplify right side
    33,615.81x = 936,565,122.34
  5. Step 5: Solve for x
    x = 936,565,122.34/33,615.81
  6. Step 6: Final answer
    x = 27,860.85

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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.