Home / 54,911.64-82,336.24-21,613.65

Finding the Fourth Proportional to 54,911.64, 82,336.24 and 21,613.65

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Solution

The fourth proportional to 54,911.64, 82,336.24 and 21,613.65 is: 32,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.64 : 82,336.24 = 21,613.65 : x
  2. Step 2: Convert to fraction form
    54,911.64/82,336.24 = 21,613.65/x
  3. Step 3: Cross multiply
    54,911.64x = 82,336.24 × 21,613.65
  4. Step 4: Simplify right side
    54,911.64x = 1,779,586,565.61
  5. Step 5: Solve for x
    x = 1,779,586,565.61/54,911.64
  6. Step 6: Final answer
    x = 32,408.18

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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.