Home / 30,867.85-46,332.20-21,993.04

Finding the Fourth Proportional to 30,867.85, 46,332.20 and 21,993.04

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Solution

The fourth proportional to 30,867.85, 46,332.20 and 21,993.04 is: 33,011.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.85 : 46,332.20 = 21,993.04 : x
  2. Step 2: Convert to fraction form
    30,867.85/46,332.20 = 21,993.04/x
  3. Step 3: Cross multiply
    30,867.85x = 46,332.20 × 21,993.04
  4. Step 4: Simplify right side
    30,867.85x = 1,018,985,927.89
  5. Step 5: Solve for x
    x = 1,018,985,927.89/30,867.85
  6. Step 6: Final answer
    x = 33,011.24

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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.