Home / 31,646.76-47,470.68-26,078.28

Finding the Fourth Proportional to 31,646.76, 47,470.68 and 26,078.28

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Solution

The fourth proportional to 31,646.76, 47,470.68 and 26,078.28 is: 39,117.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.76 : 47,470.68 = 26,078.28 : x
  2. Step 2: Convert to fraction form
    31,646.76/47,470.68 = 26,078.28/x
  3. Step 3: Cross multiply
    31,646.76x = 47,470.68 × 26,078.28
  4. Step 4: Simplify right side
    31,646.76x = 1,237,953,684.83
  5. Step 5: Solve for x
    x = 1,237,953,684.83/31,646.76
  6. Step 6: Final answer
    x = 39,117.86

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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.