Home / 52,283.14-78,424.98-12,840.27

Finding the Fourth Proportional to 52,283.14, 78,424.98 and 12,840.27

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Solution

The fourth proportional to 52,283.14, 78,424.98 and 12,840.27 is: 19,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,283.14 : 78,424.98 = 12,840.27 : x
  2. Step 2: Convert to fraction form
    52,283.14/78,424.98 = 12,840.27/x
  3. Step 3: Cross multiply
    52,283.14x = 78,424.98 × 12,840.27
  4. Step 4: Simplify right side
    52,283.14x = 1,006,997,917.94
  5. Step 5: Solve for x
    x = 1,006,997,917.94/52,283.14
  6. Step 6: Final answer
    x = 19,260.47

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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.