Home / 38,018.17-57,034.11-13,051.78

Finding the Fourth Proportional to 38,018.17, 57,034.11 and 13,051.78

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Solution

The fourth proportional to 38,018.17, 57,034.11 and 13,051.78 is: 19,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.17 : 57,034.11 = 13,051.78 : x
  2. Step 2: Convert to fraction form
    38,018.17/57,034.11 = 13,051.78/x
  3. Step 3: Cross multiply
    38,018.17x = 57,034.11 × 13,051.78
  4. Step 4: Simplify right side
    38,018.17x = 744,396,656.22
  5. Step 5: Solve for x
    x = 744,396,656.22/38,018.17
  6. Step 6: Final answer
    x = 19,580.02

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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.