Home / 53,081.36-79,621.68-16,145.36

Finding the Fourth Proportional to 53,081.36, 79,621.68 and 16,145.36

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Solution

The fourth proportional to 53,081.36, 79,621.68 and 16,145.36 is: 24,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.36 : 79,621.68 = 16,145.36 : x
  2. Step 2: Convert to fraction form
    53,081.36/79,621.68 = 16,145.36/x
  3. Step 3: Cross multiply
    53,081.36x = 79,621.68 × 16,145.36
  4. Step 4: Simplify right side
    53,081.36x = 1,285,520,687.40
  5. Step 5: Solve for x
    x = 1,285,520,687.40/53,081.36
  6. Step 6: Final answer
    x = 24,217.93

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1.5x scale

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.