Home / 31,029.12-46,550.88-10,251.36

Finding the Fourth Proportional to 31,029.12, 46,550.88 and 10,251.36

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Solution

The fourth proportional to 31,029.12, 46,550.88 and 10,251.36 is: 15,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.12 : 46,550.88 = 10,251.36 : x
  2. Step 2: Convert to fraction form
    31,029.12/46,550.88 = 10,251.36/x
  3. Step 3: Cross multiply
    31,029.12x = 46,550.88 × 10,251.36
  4. Step 4: Simplify right side
    31,029.12x = 477,209,829.20
  5. Step 5: Solve for x
    x = 477,209,829.20/31,029.12
  6. Step 6: Final answer
    x = 15,379.42

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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.