Home / 30,022.79-45,027.33-11,304.80

Finding the Fourth Proportional to 30,022.79, 45,027.33 and 11,304.80

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Solution

The fourth proportional to 30,022.79, 45,027.33 and 11,304.80 is: 16,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.79 : 45,027.33 = 11,304.80 : x
  2. Step 2: Convert to fraction form
    30,022.79/45,027.33 = 11,304.80/x
  3. Step 3: Cross multiply
    30,022.79x = 45,027.33 × 11,304.80
  4. Step 4: Simplify right side
    30,022.79x = 509,024,960.18
  5. Step 5: Solve for x
    x = 509,024,960.18/30,022.79
  6. Step 6: Final answer
    x = 16,954.62

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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.