Home / 52,387.92-78,579.75-12,944.04

Finding the Fourth Proportional to 52,387.92, 78,579.75 and 12,944.04

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Solution

The fourth proportional to 52,387.92, 78,579.75 and 12,944.04 is: 19,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.92 : 78,579.75 = 12,944.04 : x
  2. Step 2: Convert to fraction form
    52,387.92/78,579.75 = 12,944.04/x
  3. Step 3: Cross multiply
    52,387.92x = 78,579.75 × 12,944.04
  4. Step 4: Simplify right side
    52,387.92x = 1,017,139,427.19
  5. Step 5: Solve for x
    x = 1,017,139,427.19/52,387.92
  6. Step 6: Final answer
    x = 19,415.53

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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.