Home / 39,133.29-58,704.55-12,470.02

Finding the Fourth Proportional to 39,133.29, 58,704.55 and 12,470.02

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Solution

The fourth proportional to 39,133.29, 58,704.55 and 12,470.02 is: 18,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133.29 : 58,704.55 = 12,470.02 : x
  2. Step 2: Convert to fraction form
    39,133.29/58,704.55 = 12,470.02/x
  3. Step 3: Cross multiply
    39,133.29x = 58,704.55 × 12,470.02
  4. Step 4: Simplify right side
    39,133.29x = 732,046,734.65
  5. Step 5: Solve for x
    x = 732,046,734.65/39,133.29
  6. Step 6: Final answer
    x = 18,706.49

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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.