Home / 46,469.90-69,707.52-13,187.36

Finding the Fourth Proportional to 46,469.90, 69,707.52 and 13,187.36

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Solution

The fourth proportional to 46,469.90, 69,707.52 and 13,187.36 is: 19,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,469.90 : 69,707.52 = 13,187.36 : x
  2. Step 2: Convert to fraction form
    46,469.90/69,707.52 = 13,187.36/x
  3. Step 3: Cross multiply
    46,469.90x = 69,707.52 × 13,187.36
  4. Step 4: Simplify right side
    46,469.90x = 919,258,160.95
  5. Step 5: Solve for x
    x = 919,258,160.95/46,469.90
  6. Step 6: Final answer
    x = 19,781.80

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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.