Home / 51,088.59-76,640.85-21,514.77

Finding the Fourth Proportional to 51,088.59, 76,640.85 and 21,514.77

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Solution

The fourth proportional to 51,088.59, 76,640.85 and 21,514.77 is: 32,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,088.59 : 76,640.85 = 21,514.77 : x
  2. Step 2: Convert to fraction form
    51,088.59/76,640.85 = 21,514.77/x
  3. Step 3: Cross multiply
    51,088.59x = 76,640.85 × 21,514.77
  4. Step 4: Simplify right side
    51,088.59x = 1,648,910,260.35
  5. Step 5: Solve for x
    x = 1,648,910,260.35/51,088.59
  6. Step 6: Final answer
    x = 32,275.51

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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.