Home / 38,076.17-57,118.01-13,112.91

Finding the Fourth Proportional to 38,076.17, 57,118.01 and 13,112.91

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Solution

The fourth proportional to 38,076.17, 57,118.01 and 13,112.91 is: 19,670.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,076.17 : 57,118.01 = 13,112.91 : x
  2. Step 2: Convert to fraction form
    38,076.17/57,118.01 = 13,112.91/x
  3. Step 3: Cross multiply
    38,076.17x = 57,118.01 × 13,112.91
  4. Step 4: Simplify right side
    38,076.17x = 748,983,258.94
  5. Step 5: Solve for x
    x = 748,983,258.94/38,076.17
  6. Step 6: Final answer
    x = 19,670.66

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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.