Home / 38,714.42-58,057.70-13,407.08

Finding the Fourth Proportional to 38,714.42, 58,057.70 and 13,407.08

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Solution

The fourth proportional to 38,714.42, 58,057.70 and 13,407.08 is: 20,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,714.42 : 58,057.70 = 13,407.08 : x
  2. Step 2: Convert to fraction form
    38,714.42/58,057.70 = 13,407.08/x
  3. Step 3: Cross multiply
    38,714.42x = 58,057.70 × 13,407.08
  4. Step 4: Simplify right side
    38,714.42x = 778,384,161.48
  5. Step 5: Solve for x
    x = 778,384,161.48/38,714.42
  6. Step 6: Final answer
    x = 20,105.79

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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.