Home / 54,911.76-82,336.42-21,613.77

Finding the Fourth Proportional to 54,911.76, 82,336.42 and 21,613.77

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Solution

The fourth proportional to 54,911.76, 82,336.42 and 21,613.77 is: 32,408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.76 : 82,336.42 = 21,613.77 : x
  2. Step 2: Convert to fraction form
    54,911.76/82,336.42 = 21,613.77/x
  3. Step 3: Cross multiply
    54,911.76x = 82,336.42 × 21,613.77
  4. Step 4: Simplify right side
    54,911.76x = 1,779,600,444.50
  5. Step 5: Solve for x
    x = 1,779,600,444.50/54,911.76
  6. Step 6: Final answer
    x = 32,408.37

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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.