Home / 33,957.60-46,871.28-20,528.88

Finding the Fourth Proportional to 33,957.60, 46,871.28 and 20,528.88

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Solution

The fourth proportional to 33,957.60, 46,871.28 and 20,528.88 is: 28,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,957.60 : 46,871.28 = 20,528.88 : x
  2. Step 2: Convert to fraction form
    33,957.60/46,871.28 = 20,528.88/x
  3. Step 3: Cross multiply
    33,957.60x = 46,871.28 × 20,528.88
  4. Step 4: Simplify right side
    33,957.60x = 962,214,882.57
  5. Step 5: Solve for x
    x = 962,214,882.57/33,957.60
  6. Step 6: Final answer
    x = 28,335.77

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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.