Home / 30,149.12-41,601.28-16,898.56

Finding the Fourth Proportional to 30,149.12, 41,601.28 and 16,898.56

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Solution

The fourth proportional to 30,149.12, 41,601.28 and 16,898.56 is: 23,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,149.12 : 41,601.28 = 16,898.56 : x
  2. Step 2: Convert to fraction form
    30,149.12/41,601.28 = 16,898.56/x
  3. Step 3: Cross multiply
    30,149.12x = 41,601.28 × 16,898.56
  4. Step 4: Simplify right side
    30,149.12x = 703,001,726.16
  5. Step 5: Solve for x
    x = 703,001,726.16/30,149.12
  6. Step 6: Final answer
    x = 23,317.49

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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.