Home / 30,354.20-45,559.37-15,371.85

Finding the Fourth Proportional to 30,354.20, 45,559.37 and 15,371.85

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Solution

The fourth proportional to 30,354.20, 45,559.37 and 15,371.85 is: 23,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354.20 : 45,559.37 = 15,371.85 : x
  2. Step 2: Convert to fraction form
    30,354.20/45,559.37 = 15,371.85/x
  3. Step 3: Cross multiply
    30,354.20x = 45,559.37 × 15,371.85
  4. Step 4: Simplify right side
    30,354.20x = 700,331,724.88
  5. Step 5: Solve for x
    x = 700,331,724.88/30,354.20
  6. Step 6: Final answer
    x = 23,071.99

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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.