Home / 29,645.55-40,910.42-16,216.47

Finding the Fourth Proportional to 29,645.55, 40,910.42 and 16,216.47

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Solution

The fourth proportional to 29,645.55, 40,910.42 and 16,216.47 is: 22,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.55 : 40,910.42 = 16,216.47 : x
  2. Step 2: Convert to fraction form
    29,645.55/40,910.42 = 16,216.47/x
  3. Step 3: Cross multiply
    29,645.55x = 40,910.42 × 16,216.47
  4. Step 4: Simplify right side
    29,645.55x = 663,422,639.16
  5. Step 5: Solve for x
    x = 663,422,639.16/29,645.55
  6. Step 6: Final answer
    x = 22,378.49

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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.