Home / 30,220.04-45,334.92-12,694.88

Finding the Fourth Proportional to 30,220.04, 45,334.92 and 12,694.88

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Solution

The fourth proportional to 30,220.04, 45,334.92 and 12,694.88 is: 19,044.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.04 : 45,334.92 = 12,694.88 : x
  2. Step 2: Convert to fraction form
    30,220.04/45,334.92 = 12,694.88/x
  3. Step 3: Cross multiply
    30,220.04x = 45,334.92 × 12,694.88
  4. Step 4: Simplify right side
    30,220.04x = 575,521,369.21
  5. Step 5: Solve for x
    x = 575,521,369.21/30,220.04
  6. Step 6: Final answer
    x = 19,044.36

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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.