Home / 30,326.90-41,854.20-16,900.34

Finding the Fourth Proportional to 30,326.90, 41,854.20 and 16,900.34

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Solution

The fourth proportional to 30,326.90, 41,854.20 and 16,900.34 is: 23,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.90 : 41,854.20 = 16,900.34 : x
  2. Step 2: Convert to fraction form
    30,326.90/41,854.20 = 16,900.34/x
  3. Step 3: Cross multiply
    30,326.90x = 41,854.20 × 16,900.34
  4. Step 4: Simplify right side
    30,326.90x = 707,350,210.43
  5. Step 5: Solve for x
    x = 707,350,210.43/30,326.90
  6. Step 6: Final answer
    x = 23,324.18

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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.