Home / 82,355.36-123,533.03-20,025.86

Finding the Fourth Proportional to 82,355.36, 123,533.03 and 20,025.86

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Solution

The fourth proportional to 82,355.36, 123,533.03 and 20,025.86 is: 30,038.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355.36 : 123,533.03 = 20,025.86 : x
  2. Step 2: Convert to fraction form
    82,355.36/123,533.03 = 20,025.86/x
  3. Step 3: Cross multiply
    82,355.36x = 123,533.03 × 20,025.86
  4. Step 4: Simplify right side
    82,355.36x = 2,473,854,596.56
  5. Step 5: Solve for x
    x = 2,473,854,596.56/82,355.36
  6. Step 6: Final answer
    x = 30,038.78

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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.