Home / 30,229.91-45,363.08-10,522.31

Finding the Fourth Proportional to 30,229.91, 45,363.08 and 10,522.31

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Solution

The fourth proportional to 30,229.91, 45,363.08 and 10,522.31 is: 15,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.91 : 45,363.08 = 10,522.31 : x
  2. Step 2: Convert to fraction form
    30,229.91/45,363.08 = 10,522.31/x
  3. Step 3: Cross multiply
    30,229.91x = 45,363.08 × 10,522.31
  4. Step 4: Simplify right side
    30,229.91x = 477,324,189.81
  5. Step 5: Solve for x
    x = 477,324,189.81/30,229.91
  6. Step 6: Final answer
    x = 15,789.80

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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.