Home / 48,071.80-72,111.30-13,010.86

Finding the Fourth Proportional to 48,071.80, 72,111.30 and 13,010.86

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Solution

The fourth proportional to 48,071.80, 72,111.30 and 13,010.86 is: 19,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,071.80 : 72,111.30 = 13,010.86 : x
  2. Step 2: Convert to fraction form
    48,071.80/72,111.30 = 13,010.86/x
  3. Step 3: Cross multiply
    48,071.80x = 72,111.30 × 13,010.86
  4. Step 4: Simplify right side
    48,071.80x = 938,230,028.72
  5. Step 5: Solve for x
    x = 938,230,028.72/48,071.80
  6. Step 6: Final answer
    x = 19,517.26

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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.