Home / 31,069.65-42,876.10-16,922.50

Finding the Fourth Proportional to 31,069.65, 42,876.10 and 16,922.50

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Solution

The fourth proportional to 31,069.65, 42,876.10 and 16,922.50 is: 23,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.65 : 42,876.10 = 16,922.50 : x
  2. Step 2: Convert to fraction form
    31,069.65/42,876.10 = 16,922.50/x
  3. Step 3: Cross multiply
    31,069.65x = 42,876.10 × 16,922.50
  4. Step 4: Simplify right side
    31,069.65x = 725,570,652.75
  5. Step 5: Solve for x
    x = 725,570,652.75/31,069.65
  6. Step 6: Final answer
    x = 23,353.04

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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.