Home / 33,051.24-45,594.36-20,957.40

Finding the Fourth Proportional to 33,051.24, 45,594.36 and 20,957.40

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Solution

The fourth proportional to 33,051.24, 45,594.36 and 20,957.40 is: 28,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,051.24 : 45,594.36 = 20,957.40 : x
  2. Step 2: Convert to fraction form
    33,051.24/45,594.36 = 20,957.40/x
  3. Step 3: Cross multiply
    33,051.24x = 45,594.36 × 20,957.40
  4. Step 4: Simplify right side
    33,051.24x = 955,539,240.26
  5. Step 5: Solve for x
    x = 955,539,240.26/33,051.24
  6. Step 6: Final answer
    x = 28,910.84

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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.