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Finding the Fourth Proportional to 50,419.80, 75,627.40 and 18,827.40

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Solution

The fourth proportional to 50,419.80, 75,627.40 and 18,827.40 is: 28,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,419.80 : 75,627.40 = 18,827.40 : x
  2. Step 2: Convert to fraction form
    50,419.80/75,627.40 = 18,827.40/x
  3. Step 3: Cross multiply
    50,419.80x = 75,627.40 × 18,827.40
  4. Step 4: Simplify right side
    50,419.80x = 1,423,867,310.76
  5. Step 5: Solve for x
    x = 1,423,867,310.76/50,419.80
  6. Step 6: Final answer
    x = 28,240.24

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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.