Home / 34,055.10-46,995.90-18,949.21

Finding the Fourth Proportional to 34,055.10, 46,995.90 and 18,949.21

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Solution

The fourth proportional to 34,055.10, 46,995.90 and 18,949.21 is: 26,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,055.10 : 46,995.90 = 18,949.21 : x
  2. Step 2: Convert to fraction form
    34,055.10/46,995.90 = 18,949.21/x
  3. Step 3: Cross multiply
    34,055.10x = 46,995.90 × 18,949.21
  4. Step 4: Simplify right side
    34,055.10x = 890,534,989.69
  5. Step 5: Solve for x
    x = 890,534,989.69/34,055.10
  6. Step 6: Final answer
    x = 26,149.83

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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.