Home / 67,267.24-100,900.80-31,720.28

Finding the Fourth Proportional to 67,267.24, 100,900.80 and 31,720.28

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Solution

The fourth proportional to 67,267.24, 100,900.80 and 31,720.28 is: 47,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,267.24 : 100,900.80 = 31,720.28 : x
  2. Step 2: Convert to fraction form
    67,267.24/100,900.80 = 31,720.28/x
  3. Step 3: Cross multiply
    67,267.24x = 100,900.80 × 31,720.28
  4. Step 4: Simplify right side
    67,267.24x = 3,200,601,628.22
  5. Step 5: Solve for x
    x = 3,200,601,628.22/67,267.24
  6. Step 6: Final answer
    x = 47,580.39

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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.