Home / 30,558.84-45,828.66-11,837.58

Finding the Fourth Proportional to 30,558.84, 45,828.66 and 11,837.58

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Solution

The fourth proportional to 30,558.84, 45,828.66 and 11,837.58 is: 17,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.84 : 45,828.66 = 11,837.58 : x
  2. Step 2: Convert to fraction form
    30,558.84/45,828.66 = 11,837.58/x
  3. Step 3: Cross multiply
    30,558.84x = 45,828.66 × 11,837.58
  4. Step 4: Simplify right side
    30,558.84x = 542,500,429.04
  5. Step 5: Solve for x
    x = 542,500,429.04/30,558.84
  6. Step 6: Final answer
    x = 17,752.65

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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.