Home / 49,217.22-73,825.02-12,281.22

Finding the Fourth Proportional to 49,217.22, 73,825.02 and 12,281.22

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Solution

The fourth proportional to 49,217.22, 73,825.02 and 12,281.22 is: 18,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,217.22 : 73,825.02 = 12,281.22 : x
  2. Step 2: Convert to fraction form
    49,217.22/73,825.02 = 12,281.22/x
  3. Step 3: Cross multiply
    49,217.22x = 73,825.02 × 12,281.22
  4. Step 4: Simplify right side
    49,217.22x = 906,661,312.12
  5. Step 5: Solve for x
    x = 906,661,312.12/49,217.22
  6. Step 6: Final answer
    x = 18,421.63

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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.