Home / 50,002.20-75,011.70-14,945.40

Finding the Fourth Proportional to 50,002.20, 75,011.70 and 14,945.40

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Solution

The fourth proportional to 50,002.20, 75,011.70 and 14,945.40 is: 22,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,002.20 : 75,011.70 = 14,945.40 : x
  2. Step 2: Convert to fraction form
    50,002.20/75,011.70 = 14,945.40/x
  3. Step 3: Cross multiply
    50,002.20x = 75,011.70 × 14,945.40
  4. Step 4: Simplify right side
    50,002.20x = 1,121,079,861.18
  5. Step 5: Solve for x
    x = 1,121,079,861.18/50,002.20
  6. Step 6: Final answer
    x = 22,420.61

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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.