Home / 33,387.12-50,064.84-12,320.28

Finding the Fourth Proportional to 33,387.12, 50,064.84 and 12,320.28

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Solution

The fourth proportional to 33,387.12, 50,064.84 and 12,320.28 is: 18,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,387.12 : 50,064.84 = 12,320.28 : x
  2. Step 2: Convert to fraction form
    33,387.12/50,064.84 = 12,320.28/x
  3. Step 3: Cross multiply
    33,387.12x = 50,064.84 × 12,320.28
  4. Step 4: Simplify right side
    33,387.12x = 616,812,846.96
  5. Step 5: Solve for x
    x = 616,812,846.96/33,387.12
  6. Step 6: Final answer
    x = 18,474.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.