Home / 37,446.26-51,676.19-21,312.78

Finding the Fourth Proportional to 37,446.26, 51,676.19 and 21,312.78

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Solution

The fourth proportional to 37,446.26, 51,676.19 and 21,312.78 is: 29,411.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,446.26 : 51,676.19 = 21,312.78 : x
  2. Step 2: Convert to fraction form
    37,446.26/51,676.19 = 21,312.78/x
  3. Step 3: Cross multiply
    37,446.26x = 51,676.19 × 21,312.78
  4. Step 4: Simplify right side
    37,446.26x = 1,101,363,048.28
  5. Step 5: Solve for x
    x = 1,101,363,048.28/37,446.26
  6. Step 6: Final answer
    x = 29,411.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.