Home / 50,289.60-75,434.38-12,849.74

Finding the Fourth Proportional to 50,289.60, 75,434.38 and 12,849.74

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Solution

The fourth proportional to 50,289.60, 75,434.38 and 12,849.74 is: 19,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,289.60 : 75,434.38 = 12,849.74 : x
  2. Step 2: Convert to fraction form
    50,289.60/75,434.38 = 12,849.74/x
  3. Step 3: Cross multiply
    50,289.60x = 75,434.38 × 12,849.74
  4. Step 4: Simplify right side
    50,289.60x = 969,312,170.06
  5. Step 5: Solve for x
    x = 969,312,170.06/50,289.60
  6. Step 6: Final answer
    x = 19,274.60

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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.