Home / 52,279.79-78,426.36-19,015.52

Finding the Fourth Proportional to 52,279.79, 78,426.36 and 19,015.52

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Solution

The fourth proportional to 52,279.79, 78,426.36 and 19,015.52 is: 28,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.79 : 78,426.36 = 19,015.52 : x
  2. Step 2: Convert to fraction form
    52,279.79/78,426.36 = 19,015.52/x
  3. Step 3: Cross multiply
    52,279.79x = 78,426.36 × 19,015.52
  4. Step 4: Simplify right side
    52,279.79x = 1,491,317,624.98
  5. Step 5: Solve for x
    x = 1,491,317,624.98/52,279.79
  6. Step 6: Final answer
    x = 28,525.70

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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.