Home / 31,231.12-46,846.56-12,519.52

Finding the Fourth Proportional to 31,231.12, 46,846.56 and 12,519.52

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Solution

The fourth proportional to 31,231.12, 46,846.56 and 12,519.52 is: 18,779.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.12 : 46,846.56 = 12,519.52 : x
  2. Step 2: Convert to fraction form
    31,231.12/46,846.56 = 12,519.52/x
  3. Step 3: Cross multiply
    31,231.12x = 46,846.56 × 12,519.52
  4. Step 4: Simplify right side
    31,231.12x = 586,496,444.85
  5. Step 5: Solve for x
    x = 586,496,444.85/31,231.12
  6. Step 6: Final answer
    x = 18,779.23

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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.