Home / 52,236.19-78,319.48-18,951.94

Finding the Fourth Proportional to 52,236.19, 78,319.48 and 18,951.94

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Solution

The fourth proportional to 52,236.19, 78,319.48 and 18,951.94 is: 28,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,236.19 : 78,319.48 = 18,951.94 : x
  2. Step 2: Convert to fraction form
    52,236.19/78,319.48 = 18,951.94/x
  3. Step 3: Cross multiply
    52,236.19x = 78,319.48 × 18,951.94
  4. Step 4: Simplify right side
    52,236.19x = 1,484,306,085.79
  5. Step 5: Solve for x
    x = 1,484,306,085.79/52,236.19
  6. Step 6: Final answer
    x = 28,415.28

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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.