Home / 31,532.65-43,515.36-17,386.00

Finding the Fourth Proportional to 31,532.65, 43,515.36 and 17,386.00

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Solution

The fourth proportional to 31,532.65, 43,515.36 and 17,386.00 is: 23,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.65 : 43,515.36 = 17,386.00 : x
  2. Step 2: Convert to fraction form
    31,532.65/43,515.36 = 17,386.00/x
  3. Step 3: Cross multiply
    31,532.65x = 43,515.36 × 17,386.00
  4. Step 4: Simplify right side
    31,532.65x = 756,557,831.38
  5. Step 5: Solve for x
    x = 756,557,831.38/31,532.65
  6. Step 6: Final answer
    x = 23,992.84

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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.