Home / 30,306.41-41,849.28-18,995.35

Finding the Fourth Proportional to 30,306.41, 41,849.28 and 18,995.35

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Solution

The fourth proportional to 30,306.41, 41,849.28 and 18,995.35 is: 26,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.41 : 41,849.28 = 18,995.35 : x
  2. Step 2: Convert to fraction form
    30,306.41/41,849.28 = 18,995.35/x
  3. Step 3: Cross multiply
    30,306.41x = 41,849.28 × 18,995.35
  4. Step 4: Simplify right side
    30,306.41x = 794,941,720.85
  5. Step 5: Solve for x
    x = 794,941,720.85/30,306.41
  6. Step 6: Final answer
    x = 26,230.15

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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.