Home / 49,539.36-74,308.76-12,099.64

Finding the Fourth Proportional to 49,539.36, 74,308.76 and 12,099.64

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Solution

The fourth proportional to 49,539.36, 74,308.76 and 12,099.64 is: 18,149.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.36 : 74,308.76 = 12,099.64 : x
  2. Step 2: Convert to fraction form
    49,539.36/74,308.76 = 12,099.64/x
  3. Step 3: Cross multiply
    49,539.36x = 74,308.76 × 12,099.64
  4. Step 4: Simplify right side
    49,539.36x = 899,109,244.85
  5. Step 5: Solve for x
    x = 899,109,244.85/49,539.36
  6. Step 6: Final answer
    x = 18,149.39

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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.