Home / 31,567.14-43,561.38-17,419.80

Finding the Fourth Proportional to 31,567.14, 43,561.38 and 17,419.80

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Solution

The fourth proportional to 31,567.14, 43,561.38 and 17,419.80 is: 24,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.14 : 43,561.38 = 17,419.80 : x
  2. Step 2: Convert to fraction form
    31,567.14/43,561.38 = 17,419.80/x
  3. Step 3: Cross multiply
    31,567.14x = 43,561.38 × 17,419.80
  4. Step 4: Simplify right side
    31,567.14x = 758,830,527.32
  5. Step 5: Solve for x
    x = 758,830,527.32/31,567.14
  6. Step 6: Final answer
    x = 24,038.62

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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.