Home / 58,660.89-87,991.49-14,287.56

Finding the Fourth Proportional to 58,660.89, 87,991.49 and 14,287.56

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Solution

The fourth proportional to 58,660.89, 87,991.49 and 14,287.56 is: 21,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.89 : 87,991.49 = 14,287.56 : x
  2. Step 2: Convert to fraction form
    58,660.89/87,991.49 = 14,287.56/x
  3. Step 3: Cross multiply
    58,660.89x = 87,991.49 × 14,287.56
  4. Step 4: Simplify right side
    58,660.89x = 1,257,183,692.86
  5. Step 5: Solve for x
    x = 1,257,183,692.86/58,660.89
  6. Step 6: Final answer
    x = 21,431.38

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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.