Home / 57,714.10-86,549.55-20,259.70

Finding the Fourth Proportional to 57,714.10, 86,549.55 and 20,259.70

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Solution

The fourth proportional to 57,714.10, 86,549.55 and 20,259.70 is: 30,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,714.10 : 86,549.55 = 20,259.70 : x
  2. Step 2: Convert to fraction form
    57,714.10/86,549.55 = 20,259.70/x
  3. Step 3: Cross multiply
    57,714.10x = 86,549.55 × 20,259.70
  4. Step 4: Simplify right side
    57,714.10x = 1,753,467,918.14
  5. Step 5: Solve for x
    x = 1,753,467,918.14/57,714.10
  6. Step 6: Final answer
    x = 30,381.97

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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.