Home / 53,558.56-80,345.10-18,500.92

Finding the Fourth Proportional to 53,558.56, 80,345.10 and 18,500.92

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Solution

The fourth proportional to 53,558.56, 80,345.10 and 18,500.92 is: 27,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,558.56 : 80,345.10 = 18,500.92 : x
  2. Step 2: Convert to fraction form
    53,558.56/80,345.10 = 18,500.92/x
  3. Step 3: Cross multiply
    53,558.56x = 80,345.10 × 18,500.92
  4. Step 4: Simplify right side
    53,558.56x = 1,486,458,267.49
  5. Step 5: Solve for x
    x = 1,486,458,267.49/53,558.56
  6. Step 6: Final answer
    x = 27,753.89

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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.