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Finding the Fourth Proportional to 50,626.64, 75,939.96 and 39,516.68

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Solution

The fourth proportional to 50,626.64, 75,939.96 and 39,516.68 is: 59,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,626.64 : 75,939.96 = 39,516.68 : x
  2. Step 2: Convert to fraction form
    50,626.64/75,939.96 = 39,516.68/x
  3. Step 3: Cross multiply
    50,626.64x = 75,939.96 × 39,516.68
  4. Step 4: Simplify right side
    50,626.64x = 3,000,894,718.83
  5. Step 5: Solve for x
    x = 3,000,894,718.83/50,626.64
  6. Step 6: Final answer
    x = 59,275.02

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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.