Home / 55,324.69-82,987.34-13,771.69

Finding the Fourth Proportional to 55,324.69, 82,987.34 and 13,771.69

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Solution

The fourth proportional to 55,324.69, 82,987.34 and 13,771.69 is: 20,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.69 : 82,987.34 = 13,771.69 : x
  2. Step 2: Convert to fraction form
    55,324.69/82,987.34 = 13,771.69/x
  3. Step 3: Cross multiply
    55,324.69x = 82,987.34 × 13,771.69
  4. Step 4: Simplify right side
    55,324.69x = 1,142,875,644.08
  5. Step 5: Solve for x
    x = 1,142,875,644.08/55,324.69
  6. Step 6: Final answer
    x = 20,657.61

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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.