Home / 52,372.47-78,558.87-12,929.59

Finding the Fourth Proportional to 52,372.47, 78,558.87 and 12,929.59

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Solution

The fourth proportional to 52,372.47, 78,558.87 and 12,929.59 is: 19,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.47 : 78,558.87 = 12,929.59 : x
  2. Step 2: Convert to fraction form
    52,372.47/78,558.87 = 12,929.59/x
  3. Step 3: Cross multiply
    52,372.47x = 78,558.87 × 12,929.59
  4. Step 4: Simplify right side
    52,372.47x = 1,015,733,979.96
  5. Step 5: Solve for x
    x = 1,015,733,979.96/52,372.47
  6. Step 6: Final answer
    x = 19,394.43

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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.