Home / 30,031.23-41,455.23-18,104.79

Finding the Fourth Proportional to 30,031.23, 41,455.23 and 18,104.79

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Solution

The fourth proportional to 30,031.23, 41,455.23 and 18,104.79 is: 24,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.23 : 41,455.23 = 18,104.79 : x
  2. Step 2: Convert to fraction form
    30,031.23/41,455.23 = 18,104.79/x
  3. Step 3: Cross multiply
    30,031.23x = 41,455.23 × 18,104.79
  4. Step 4: Simplify right side
    30,031.23x = 750,538,233.55
  5. Step 5: Solve for x
    x = 750,538,233.55/30,031.23
  6. Step 6: Final answer
    x = 24,991.92

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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.