Home / 30,238.23-41,722.70-18,302.37

Finding the Fourth Proportional to 30,238.23, 41,722.70 and 18,302.37

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Solution

The fourth proportional to 30,238.23, 41,722.70 and 18,302.37 is: 25,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.23 : 41,722.70 = 18,302.37 : x
  2. Step 2: Convert to fraction form
    30,238.23/41,722.70 = 18,302.37/x
  3. Step 3: Cross multiply
    30,238.23x = 41,722.70 × 18,302.37
  4. Step 4: Simplify right side
    30,238.23x = 763,624,201.29
  5. Step 5: Solve for x
    x = 763,624,201.29/30,238.23
  6. Step 6: Final answer
    x = 25,253.60

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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.