Home / 31,069.96-42,876.48-16,922.77

Finding the Fourth Proportional to 31,069.96, 42,876.48 and 16,922.77

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Solution

The fourth proportional to 31,069.96, 42,876.48 and 16,922.77 is: 23,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,069.96 : 42,876.48 = 16,922.77 : x
  2. Step 2: Convert to fraction form
    31,069.96/42,876.48 = 16,922.77/x
  3. Step 3: Cross multiply
    31,069.96x = 42,876.48 × 16,922.77
  4. Step 4: Simplify right side
    31,069.96x = 725,588,809.45
  5. Step 5: Solve for x
    x = 725,588,809.45/31,069.96
  6. Step 6: Final answer
    x = 23,353.39

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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.