Home / 29,333.08-40,425.36-20,835.58

Finding the Fourth Proportional to 29,333.08, 40,425.36 and 20,835.58

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Solution

The fourth proportional to 29,333.08, 40,425.36 and 20,835.58 is: 28,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,333.08 : 40,425.36 = 20,835.58 : x
  2. Step 2: Convert to fraction form
    29,333.08/40,425.36 = 20,835.58/x
  3. Step 3: Cross multiply
    29,333.08x = 40,425.36 × 20,835.58
  4. Step 4: Simplify right side
    29,333.08x = 842,285,822.31
  5. Step 5: Solve for x
    x = 842,285,822.31/29,333.08
  6. Step 6: Final answer
    x = 28,714.54

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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.