Home / 52,325.84-78,488.64-21,182.96

Finding the Fourth Proportional to 52,325.84, 78,488.64 and 21,182.96

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Solution

The fourth proportional to 52,325.84, 78,488.64 and 21,182.96 is: 31,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,325.84 : 78,488.64 = 21,182.96 : x
  2. Step 2: Convert to fraction form
    52,325.84/78,488.64 = 21,182.96/x
  3. Step 3: Cross multiply
    52,325.84x = 78,488.64 × 21,182.96
  4. Step 4: Simplify right side
    52,325.84x = 1,662,621,721.57
  5. Step 5: Solve for x
    x = 1,662,621,721.57/52,325.84
  6. Step 6: Final answer
    x = 31,774.39

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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.