Home / 50,190.10-75,284.28-12,239.70

Finding the Fourth Proportional to 50,190.10, 75,284.28 and 12,239.70

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Solution

The fourth proportional to 50,190.10, 75,284.28 and 12,239.70 is: 18,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,190.10 : 75,284.28 = 12,239.70 : x
  2. Step 2: Convert to fraction form
    50,190.10/75,284.28 = 12,239.70/x
  3. Step 3: Cross multiply
    50,190.10x = 75,284.28 × 12,239.70
  4. Step 4: Simplify right side
    50,190.10x = 921,457,001.92
  5. Step 5: Solve for x
    x = 921,457,001.92/50,190.10
  6. Step 6: Final answer
    x = 18,359.34

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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.