Home / 30,337.08-41,868.32-18,241.54

Finding the Fourth Proportional to 30,337.08, 41,868.32 and 18,241.54

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Solution

The fourth proportional to 30,337.08, 41,868.32 and 18,241.54 is: 25,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.08 : 41,868.32 = 18,241.54 : x
  2. Step 2: Convert to fraction form
    30,337.08/41,868.32 = 18,241.54/x
  3. Step 3: Cross multiply
    30,337.08x = 41,868.32 × 18,241.54
  4. Step 4: Simplify right side
    30,337.08x = 763,742,634.01
  5. Step 5: Solve for x
    x = 763,742,634.01/30,337.08
  6. Step 6: Final answer
    x = 25,175.22

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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.