Home / 29,449.12-40,639.36-16,020.49

Finding the Fourth Proportional to 29,449.12, 40,639.36 and 16,020.49

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Solution

The fourth proportional to 29,449.12, 40,639.36 and 16,020.49 is: 22,108.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,449.12 : 40,639.36 = 16,020.49 : x
  2. Step 2: Convert to fraction form
    29,449.12/40,639.36 = 16,020.49/x
  3. Step 3: Cross multiply
    29,449.12x = 40,639.36 × 16,020.49
  4. Step 4: Simplify right side
    29,449.12x = 651,062,460.49
  5. Step 5: Solve for x
    x = 651,062,460.49/29,449.12
  6. Step 6: Final answer
    x = 22,108.04

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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.