Home / 31,357.14-43,293.36-19,438.02

Finding the Fourth Proportional to 31,357.14, 43,293.36 and 19,438.02

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Solution

The fourth proportional to 31,357.14, 43,293.36 and 19,438.02 is: 26,837.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.14 : 43,293.36 = 19,438.02 : x
  2. Step 2: Convert to fraction form
    31,357.14/43,293.36 = 19,438.02/x
  3. Step 3: Cross multiply
    31,357.14x = 43,293.36 × 19,438.02
  4. Step 4: Simplify right side
    31,357.14x = 841,537,197.55
  5. Step 5: Solve for x
    x = 841,537,197.55/31,357.14
  6. Step 6: Final answer
    x = 26,837.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.