Home / 52,165.64-78,249.26-12,723.50

Finding the Fourth Proportional to 52,165.64, 78,249.26 and 12,723.50

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Solution

The fourth proportional to 52,165.64, 78,249.26 and 12,723.50 is: 19,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,165.64 : 78,249.26 = 12,723.50 : x
  2. Step 2: Convert to fraction form
    52,165.64/78,249.26 = 12,723.50/x
  3. Step 3: Cross multiply
    52,165.64x = 78,249.26 × 12,723.50
  4. Step 4: Simplify right side
    52,165.64x = 995,604,068.36
  5. Step 5: Solve for x
    x = 995,604,068.36/52,165.64
  6. Step 6: Final answer
    x = 19,085.44

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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.