Home / 58,616.20-87,924.30-19,163.80

Finding the Fourth Proportional to 58,616.20, 87,924.30 and 19,163.80

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Solution

The fourth proportional to 58,616.20, 87,924.30 and 19,163.80 is: 28,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,616.20 : 87,924.30 = 19,163.80 : x
  2. Step 2: Convert to fraction form
    58,616.20/87,924.30 = 19,163.80/x
  3. Step 3: Cross multiply
    58,616.20x = 87,924.30 × 19,163.80
  4. Step 4: Simplify right side
    58,616.20x = 1,684,963,700.34
  5. Step 5: Solve for x
    x = 1,684,963,700.34/58,616.20
  6. Step 6: Final answer
    x = 28,745.70

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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.