Home / 35,789.90-53,644.34-18,222.62

Finding the Fourth Proportional to 35,789.90, 53,644.34 and 18,222.62

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Solution

The fourth proportional to 35,789.90, 53,644.34 and 18,222.62 is: 27,313.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.90 : 53,644.34 = 18,222.62 : x
  2. Step 2: Convert to fraction form
    35,789.90/53,644.34 = 18,222.62/x
  3. Step 3: Cross multiply
    35,789.90x = 53,644.34 × 18,222.62
  4. Step 4: Simplify right side
    35,789.90x = 977,540,200.31
  5. Step 5: Solve for x
    x = 977,540,200.31/35,789.90
  6. Step 6: Final answer
    x = 27,313.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.