Home / 31,089.65-46,624.75-13,541.81

Finding the Fourth Proportional to 31,089.65, 46,624.75 and 13,541.81

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Solution

The fourth proportional to 31,089.65, 46,624.75 and 13,541.81 is: 20,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,089.65 : 46,624.75 = 13,541.81 : x
  2. Step 2: Convert to fraction form
    31,089.65/46,624.75 = 13,541.81/x
  3. Step 3: Cross multiply
    31,089.65x = 46,624.75 × 13,541.81
  4. Step 4: Simplify right side
    31,089.65x = 631,383,505.80
  5. Step 5: Solve for x
    x = 631,383,505.80/31,089.65
  6. Step 6: Final answer
    x = 20,308.48

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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.