Home / 58,281.72-87,234.58-30,163.09

Finding the Fourth Proportional to 58,281.72, 87,234.58 and 30,163.09

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Solution

The fourth proportional to 58,281.72, 87,234.58 and 30,163.09 is: 45,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.72 : 87,234.58 = 30,163.09 : x
  2. Step 2: Convert to fraction form
    58,281.72/87,234.58 = 30,163.09/x
  3. Step 3: Cross multiply
    58,281.72x = 87,234.58 × 30,163.09
  4. Step 4: Simplify right side
    58,281.72x = 2,631,264,487.65
  5. Step 5: Solve for x
    x = 2,631,264,487.65/58,281.72
  6. Step 6: Final answer
    x = 45,147.34

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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.