Home / 30,519.29-45,776.33-9,458.85

Finding the Fourth Proportional to 30,519.29, 45,776.33 and 9,458.85

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Solution

The fourth proportional to 30,519.29, 45,776.33 and 9,458.85 is: 14,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,519.29 : 45,776.33 = 9,458.85 : x
  2. Step 2: Convert to fraction form
    30,519.29/45,776.33 = 9,458.85/x
  3. Step 3: Cross multiply
    30,519.29x = 45,776.33 × 9,458.85
  4. Step 4: Simplify right side
    30,519.29x = 432,991,391.73
  5. Step 5: Solve for x
    x = 432,991,391.73/30,519.29
  6. Step 6: Final answer
    x = 14,187.47

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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.