Home / 30,330.46-45,495.70-11,849.50

Finding the Fourth Proportional to 30,330.46, 45,495.70 and 11,849.50

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Solution

The fourth proportional to 30,330.46, 45,495.70 and 11,849.50 is: 17,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.46 : 45,495.70 = 11,849.50 : x
  2. Step 2: Convert to fraction form
    30,330.46/45,495.70 = 11,849.50/x
  3. Step 3: Cross multiply
    30,330.46x = 45,495.70 × 11,849.50
  4. Step 4: Simplify right side
    30,330.46x = 539,101,297.15
  5. Step 5: Solve for x
    x = 539,101,297.15/30,330.46
  6. Step 6: Final answer
    x = 17,774.25

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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.