Home / 30,272.17-45,409.96-9,212.89

Finding the Fourth Proportional to 30,272.17, 45,409.96 and 9,212.89

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Solution

The fourth proportional to 30,272.17, 45,409.96 and 9,212.89 is: 13,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.17 : 45,409.96 = 9,212.89 : x
  2. Step 2: Convert to fraction form
    30,272.17/45,409.96 = 9,212.89/x
  3. Step 3: Cross multiply
    30,272.17x = 45,409.96 × 9,212.89
  4. Step 4: Simplify right side
    30,272.17x = 418,356,966.38
  5. Step 5: Solve for x
    x = 418,356,966.38/30,272.17
  6. Step 6: Final answer
    x = 13,819.85

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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.