Home / 30,558.83-45,828.66-11,837.57

Finding the Fourth Proportional to 30,558.83, 45,828.66 and 11,837.57

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Solution

The fourth proportional to 30,558.83, 45,828.66 and 11,837.57 is: 17,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.83 : 45,828.66 = 11,837.57 : x
  2. Step 2: Convert to fraction form
    30,558.83/45,828.66 = 11,837.57/x
  3. Step 3: Cross multiply
    30,558.83x = 45,828.66 × 11,837.57
  4. Step 4: Simplify right side
    30,558.83x = 542,499,970.76
  5. Step 5: Solve for x
    x = 542,499,970.76/30,558.83
  6. Step 6: Final answer
    x = 17,752.64

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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.