Home / 38,095.16-57,146.49-13,131.92

Finding the Fourth Proportional to 38,095.16, 57,146.49 and 13,131.92

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Solution

The fourth proportional to 38,095.16, 57,146.49 and 13,131.92 is: 19,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,095.16 : 57,146.49 = 13,131.92 : x
  2. Step 2: Convert to fraction form
    38,095.16/57,146.49 = 13,131.92/x
  3. Step 3: Cross multiply
    38,095.16x = 57,146.49 × 13,131.92
  4. Step 4: Simplify right side
    38,095.16x = 750,442,849.23
  5. Step 5: Solve for x
    x = 750,442,849.23/38,095.16
  6. Step 6: Final answer
    x = 19,699.17

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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.