Home / 30,800.37-46,193.48-8,615.31

Finding the Fourth Proportional to 30,800.37, 46,193.48 and 8,615.31

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Solution

The fourth proportional to 30,800.37, 46,193.48 and 8,615.31 is: 12,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.37 : 46,193.48 = 8,615.31 : x
  2. Step 2: Convert to fraction form
    30,800.37/46,193.48 = 8,615.31/x
  3. Step 3: Cross multiply
    30,800.37x = 46,193.48 × 8,615.31
  4. Step 4: Simplify right side
    30,800.37x = 397,971,150.18
  5. Step 5: Solve for x
    x = 397,971,150.18/30,800.37
  6. Step 6: Final answer
    x = 12,920.99

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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.