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Finding the Fourth Proportional to 52,412.70, 78,622.92 and 14,975.94

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Solution

The fourth proportional to 52,412.70, 78,622.92 and 14,975.94 is: 22,465.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.70 : 78,622.92 = 14,975.94 : x
  2. Step 2: Convert to fraction form
    52,412.70/78,622.92 = 14,975.94/x
  3. Step 3: Cross multiply
    52,412.70x = 78,622.92 × 14,975.94
  4. Step 4: Simplify right side
    52,412.70x = 1,177,452,132.54
  5. Step 5: Solve for x
    x = 1,177,452,132.54/52,412.70
  6. Step 6: Final answer
    x = 22,465.02

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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.