Home / 31,828.65-47,709.71-17,768.06

Finding the Fourth Proportional to 31,828.65, 47,709.71 and 17,768.06

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Solution

The fourth proportional to 31,828.65, 47,709.71 and 17,768.06 is: 26,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.65 : 47,709.71 = 17,768.06 : x
  2. Step 2: Convert to fraction form
    31,828.65/47,709.71 = 17,768.06/x
  3. Step 3: Cross multiply
    31,828.65x = 47,709.71 × 17,768.06
  4. Step 4: Simplify right side
    31,828.65x = 847,708,908.02
  5. Step 5: Solve for x
    x = 847,708,908.02/31,828.65
  6. Step 6: Final answer
    x = 26,633.52

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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.