Home / 30,604.19-42,238.04-16,995.29

Finding the Fourth Proportional to 30,604.19, 42,238.04 and 16,995.29

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Solution

The fourth proportional to 30,604.19, 42,238.04 and 16,995.29 is: 23,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.19 : 42,238.04 = 16,995.29 : x
  2. Step 2: Convert to fraction form
    30,604.19/42,238.04 = 16,995.29/x
  3. Step 3: Cross multiply
    30,604.19x = 42,238.04 × 16,995.29
  4. Step 4: Simplify right side
    30,604.19x = 717,847,442.66
  5. Step 5: Solve for x
    x = 717,847,442.66/30,604.19
  6. Step 6: Final answer
    x = 23,455.86

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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.