Home / 20,025.43-30,037.10-5,985.57

Finding the Fourth Proportional to 20,025.43, 30,037.10 and 5,985.57

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Solution

The fourth proportional to 20,025.43, 30,037.10 and 5,985.57 is: 8,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.43 : 30,037.10 = 5,985.57 : x
  2. Step 2: Convert to fraction form
    20,025.43/30,037.10 = 5,985.57/x
  3. Step 3: Cross multiply
    20,025.43x = 30,037.10 × 5,985.57
  4. Step 4: Simplify right side
    20,025.43x = 179,789,247.36
  5. Step 5: Solve for x
    x = 179,789,247.36/20,025.43
  6. Step 6: Final answer
    x = 8,978.05

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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.