Home / 31,069.68-42,876.36-16,922.58

Finding the Fourth Proportional to 31,069.68, 42,876.36 and 16,922.58

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Solution

The fourth proportional to 31,069.68, 42,876.36 and 16,922.58 is: 23,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.68 : 42,876.36 = 16,922.58 : x
  2. Step 2: Convert to fraction form
    31,069.68/42,876.36 = 16,922.58/x
  3. Step 3: Cross multiply
    31,069.68x = 42,876.36 × 16,922.58
  4. Step 4: Simplify right side
    31,069.68x = 725,578,632.21
  5. Step 5: Solve for x
    x = 725,578,632.21/31,069.68
  6. Step 6: Final answer
    x = 23,353.27

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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.