Home / 20,124.65-30,188.50-5,333.24

Finding the Fourth Proportional to 20,124.65, 30,188.50 and 5,333.24

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Solution

The fourth proportional to 20,124.65, 30,188.50 and 5,333.24 is: 8,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.65 : 30,188.50 = 5,333.24 : x
  2. Step 2: Convert to fraction form
    20,124.65/30,188.50 = 5,333.24/x
  3. Step 3: Cross multiply
    20,124.65x = 30,188.50 × 5,333.24
  4. Step 4: Simplify right side
    20,124.65x = 161,002,577.88
  5. Step 5: Solve for x
    x = 161,002,577.88/20,124.65
  6. Step 6: Final answer
    x = 8,000.27

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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.