Home / 30,821.58-46,242.09-13,299.66

Finding the Fourth Proportional to 30,821.58, 46,242.09 and 13,299.66

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Solution

The fourth proportional to 30,821.58, 46,242.09 and 13,299.66 is: 19,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.58 : 46,242.09 = 13,299.66 : x
  2. Step 2: Convert to fraction form
    30,821.58/46,242.09 = 13,299.66/x
  3. Step 3: Cross multiply
    30,821.58x = 46,242.09 × 13,299.66
  4. Step 4: Simplify right side
    30,821.58x = 615,004,074.69
  5. Step 5: Solve for x
    x = 615,004,074.69/30,821.58
  6. Step 6: Final answer
    x = 19,953.68

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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.