Home / 67,037.22-100,550.60-31,506.30

Finding the Fourth Proportional to 67,037.22, 100,550.60 and 31,506.30

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Solution

The fourth proportional to 67,037.22, 100,550.60 and 31,506.30 is: 47,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.22 : 100,550.60 = 31,506.30 : x
  2. Step 2: Convert to fraction form
    67,037.22/100,550.60 = 31,506.30/x
  3. Step 3: Cross multiply
    67,037.22x = 100,550.60 × 31,506.30
  4. Step 4: Simplify right side
    67,037.22x = 3,167,977,211.25
  5. Step 5: Solve for x
    x = 3,167,977,211.25/67,037.22
  6. Step 6: Final answer
    x = 47,256.99

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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.