Home / 30,983.85-46,493.73-13,213.55

Finding the Fourth Proportional to 30,983.85, 46,493.73 and 13,213.55

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Solution

The fourth proportional to 30,983.85, 46,493.73 and 13,213.55 is: 19,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,983.85 : 46,493.73 = 13,213.55 : x
  2. Step 2: Convert to fraction form
    30,983.85/46,493.73 = 13,213.55/x
  3. Step 3: Cross multiply
    30,983.85x = 46,493.73 × 13,213.55
  4. Step 4: Simplify right side
    30,983.85x = 614,347,342.28
  5. Step 5: Solve for x
    x = 614,347,342.28/30,983.85
  6. Step 6: Final answer
    x = 19,827.99

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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.