Home / 33,267.78-45,909.84-18,160.32

Finding the Fourth Proportional to 33,267.78, 45,909.84 and 18,160.32

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Solution

The fourth proportional to 33,267.78, 45,909.84 and 18,160.32 is: 25,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,267.78 : 45,909.84 = 18,160.32 : x
  2. Step 2: Convert to fraction form
    33,267.78/45,909.84 = 18,160.32/x
  3. Step 3: Cross multiply
    33,267.78x = 45,909.84 × 18,160.32
  4. Step 4: Simplify right side
    33,267.78x = 833,737,385.55
  5. Step 5: Solve for x
    x = 833,737,385.55/33,267.78
  6. Step 6: Final answer
    x = 25,061.41

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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.