Home / 31,371.03-47,027.66-13,590.51

Finding the Fourth Proportional to 31,371.03, 47,027.66 and 13,590.51

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Solution

The fourth proportional to 31,371.03, 47,027.66 and 13,590.51 is: 20,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,371.03 : 47,027.66 = 13,590.51 : x
  2. Step 2: Convert to fraction form
    31,371.03/47,027.66 = 13,590.51/x
  3. Step 3: Cross multiply
    31,371.03x = 47,027.66 × 13,590.51
  4. Step 4: Simplify right side
    31,371.03x = 639,129,883.51
  5. Step 5: Solve for x
    x = 639,129,883.51/31,371.03
  6. Step 6: Final answer
    x = 20,373.25

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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.