Home / 30,235.68-45,353.61-9,175.89

Finding the Fourth Proportional to 30,235.68, 45,353.61 and 9,175.89

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Solution

The fourth proportional to 30,235.68, 45,353.61 and 9,175.89 is: 13,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.68 : 45,353.61 = 9,175.89 : x
  2. Step 2: Convert to fraction form
    30,235.68/45,353.61 = 9,175.89/x
  3. Step 3: Cross multiply
    30,235.68x = 45,353.61 × 9,175.89
  4. Step 4: Simplify right side
    30,235.68x = 416,159,736.46
  5. Step 5: Solve for x
    x = 416,159,736.46/30,235.68
  6. Step 6: Final answer
    x = 13,763.86

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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.