Home / 33,985.77-46,904.06-20,564.43

Finding the Fourth Proportional to 33,985.77, 46,904.06 and 20,564.43

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Solution

The fourth proportional to 33,985.77, 46,904.06 and 20,564.43 is: 28,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,985.77 : 46,904.06 = 20,564.43 : x
  2. Step 2: Convert to fraction form
    33,985.77/46,904.06 = 20,564.43/x
  3. Step 3: Cross multiply
    33,985.77x = 46,904.06 × 20,564.43
  4. Step 4: Simplify right side
    33,985.77x = 964,555,258.59
  5. Step 5: Solve for x
    x = 964,555,258.59/33,985.77
  6. Step 6: Final answer
    x = 28,381.15

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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.