Home / 42,056.18-58,018.38-27,918.44

Finding the Fourth Proportional to 42,056.18, 58,018.38 and 27,918.44

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Solution

The fourth proportional to 42,056.18, 58,018.38 and 27,918.44 is: 38,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,056.18 : 58,018.38 = 27,918.44 : x
  2. Step 2: Convert to fraction form
    42,056.18/58,018.38 = 27,918.44/x
  3. Step 3: Cross multiply
    42,056.18x = 58,018.38 × 27,918.44
  4. Step 4: Simplify right side
    42,056.18x = 1,619,782,660.93
  5. Step 5: Solve for x
    x = 1,619,782,660.93/42,056.18
  6. Step 6: Final answer
    x = 38,514.74

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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.