Home / 30,618.97-45,914.60-10,898.05

Finding the Fourth Proportional to 30,618.97, 45,914.60 and 10,898.05

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Solution

The fourth proportional to 30,618.97, 45,914.60 and 10,898.05 is: 16,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.97 : 45,914.60 = 10,898.05 : x
  2. Step 2: Convert to fraction form
    30,618.97/45,914.60 = 10,898.05/x
  3. Step 3: Cross multiply
    30,618.97x = 45,914.60 × 10,898.05
  4. Step 4: Simplify right side
    30,618.97x = 500,379,322.47
  5. Step 5: Solve for x
    x = 500,379,322.47/30,618.97
  6. Step 6: Final answer
    x = 16,342.14

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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.