Home / 33,557.80-46,319.52-20,814.88

Finding the Fourth Proportional to 33,557.80, 46,319.52 and 20,814.88

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Solution

The fourth proportional to 33,557.80, 46,319.52 and 20,814.88 is: 28,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,557.80 : 46,319.52 = 20,814.88 : x
  2. Step 2: Convert to fraction form
    33,557.80/46,319.52 = 20,814.88/x
  3. Step 3: Cross multiply
    33,557.80x = 46,319.52 × 20,814.88
  4. Step 4: Simplify right side
    33,557.80x = 964,135,250.46
  5. Step 5: Solve for x
    x = 964,135,250.46/33,557.80
  6. Step 6: Final answer
    x = 28,730.59

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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.