Home / 31,726.73-47,590.15-13,003.28

Finding the Fourth Proportional to 31,726.73, 47,590.15 and 13,003.28

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Solution

The fourth proportional to 31,726.73, 47,590.15 and 13,003.28 is: 19,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.73 : 47,590.15 = 13,003.28 : x
  2. Step 2: Convert to fraction form
    31,726.73/47,590.15 = 13,003.28/x
  3. Step 3: Cross multiply
    31,726.73x = 47,590.15 × 13,003.28
  4. Step 4: Simplify right side
    31,726.73x = 618,828,045.69
  5. Step 5: Solve for x
    x = 618,828,045.69/31,726.73
  6. Step 6: Final answer
    x = 19,504.94

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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.