Home / 52,630.50-78,976.86-19,373.91

Finding the Fourth Proportional to 52,630.50, 78,976.86 and 19,373.91

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Solution

The fourth proportional to 52,630.50, 78,976.86 and 19,373.91 is: 29,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,630.50 : 78,976.86 = 19,373.91 : x
  2. Step 2: Convert to fraction form
    52,630.50/78,976.86 = 19,373.91/x
  3. Step 3: Cross multiply
    52,630.50x = 78,976.86 × 19,373.91
  4. Step 4: Simplify right side
    52,630.50x = 1,530,090,577.72
  5. Step 5: Solve for x
    x = 1,530,090,577.72/52,630.50
  6. Step 6: Final answer
    x = 29,072.32

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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.