Home / 39,935.64-55,116.30-33,209.70

Finding the Fourth Proportional to 39,935.64, 55,116.30 and 33,209.70

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Solution

The fourth proportional to 39,935.64, 55,116.30 and 33,209.70 is: 45,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,935.64 : 55,116.30 = 33,209.70 : x
  2. Step 2: Convert to fraction form
    39,935.64/55,116.30 = 33,209.70/x
  3. Step 3: Cross multiply
    39,935.64x = 55,116.30 × 33,209.70
  4. Step 4: Simplify right side
    39,935.64x = 1,830,395,788.11
  5. Step 5: Solve for x
    x = 1,830,395,788.11/39,935.64
  6. Step 6: Final answer
    x = 45,833.64

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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.