Home / 30,663.75-45,969.73-11,956.85

Finding the Fourth Proportional to 30,663.75, 45,969.73 and 11,956.85

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Solution

The fourth proportional to 30,663.75, 45,969.73 and 11,956.85 is: 17,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663.75 : 45,969.73 = 11,956.85 : x
  2. Step 2: Convert to fraction form
    30,663.75/45,969.73 = 11,956.85/x
  3. Step 3: Cross multiply
    30,663.75x = 45,969.73 × 11,956.85
  4. Step 4: Simplify right side
    30,663.75x = 549,653,166.15
  5. Step 5: Solve for x
    x = 549,653,166.15/30,663.75
  6. Step 6: Final answer
    x = 17,925.18

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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.