Home / 30,100.23-45,135.12-17,624.19

Finding the Fourth Proportional to 30,100.23, 45,135.12 and 17,624.19

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Solution

The fourth proportional to 30,100.23, 45,135.12 and 17,624.19 is: 26,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.23 : 45,135.12 = 17,624.19 : x
  2. Step 2: Convert to fraction form
    30,100.23/45,135.12 = 17,624.19/x
  3. Step 3: Cross multiply
    30,100.23x = 45,135.12 × 17,624.19
  4. Step 4: Simplify right side
    30,100.23x = 795,469,930.55
  5. Step 5: Solve for x
    x = 795,469,930.55/30,100.23
  6. Step 6: Final answer
    x = 26,427.37

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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.