Home / 55,366.20-83,060.10-20,308.86

Finding the Fourth Proportional to 55,366.20, 83,060.10 and 20,308.86

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Solution

The fourth proportional to 55,366.20, 83,060.10 and 20,308.86 is: 30,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366.20 : 83,060.10 = 20,308.86 : x
  2. Step 2: Convert to fraction form
    55,366.20/83,060.10 = 20,308.86/x
  3. Step 3: Cross multiply
    55,366.20x = 83,060.10 × 20,308.86
  4. Step 4: Simplify right side
    55,366.20x = 1,686,855,942.49
  5. Step 5: Solve for x
    x = 1,686,855,942.49/55,366.20
  6. Step 6: Final answer
    x = 30,467.25

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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.