Home / 30,313.40-41,834.59-18,377.24

Finding the Fourth Proportional to 30,313.40, 41,834.59 and 18,377.24

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Solution

The fourth proportional to 30,313.40, 41,834.59 and 18,377.24 is: 25,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.40 : 41,834.59 = 18,377.24 : x
  2. Step 2: Convert to fraction form
    30,313.40/41,834.59 = 18,377.24/x
  3. Step 3: Cross multiply
    30,313.40x = 41,834.59 × 18,377.24
  4. Step 4: Simplify right side
    30,313.40x = 768,804,045.62
  5. Step 5: Solve for x
    x = 768,804,045.62/30,313.40
  6. Step 6: Final answer
    x = 25,361.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.