Home / 32,971.23-45,475.19-28,379.82

Finding the Fourth Proportional to 32,971.23, 45,475.19 and 28,379.82

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Solution

The fourth proportional to 32,971.23, 45,475.19 and 28,379.82 is: 39,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,971.23 : 45,475.19 = 28,379.82 : x
  2. Step 2: Convert to fraction form
    32,971.23/45,475.19 = 28,379.82/x
  3. Step 3: Cross multiply
    32,971.23x = 45,475.19 × 28,379.82
  4. Step 4: Simplify right side
    32,971.23x = 1,290,577,706.67
  5. Step 5: Solve for x
    x = 1,290,577,706.67/32,971.23
  6. Step 6: Final answer
    x = 39,142.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.