Home / 30,834.22-42,551.23-16,687.07

Finding the Fourth Proportional to 30,834.22, 42,551.23 and 16,687.07

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Solution

The fourth proportional to 30,834.22, 42,551.23 and 16,687.07 is: 23,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,834.22 : 42,551.23 = 16,687.07 : x
  2. Step 2: Convert to fraction form
    30,834.22/42,551.23 = 16,687.07/x
  3. Step 3: Cross multiply
    30,834.22x = 42,551.23 × 16,687.07
  4. Step 4: Simplify right side
    30,834.22x = 710,055,205.50
  5. Step 5: Solve for x
    x = 710,055,205.50/30,834.22
  6. Step 6: Final answer
    x = 23,028.15

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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.