Home / 40,246.18-60,478.62-21,540.04

Finding the Fourth Proportional to 40,246.18, 60,478.62 and 21,540.04

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Solution

The fourth proportional to 40,246.18, 60,478.62 and 21,540.04 is: 32,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.18 : 60,478.62 = 21,540.04 : x
  2. Step 2: Convert to fraction form
    40,246.18/60,478.62 = 21,540.04/x
  3. Step 3: Cross multiply
    40,246.18x = 60,478.62 × 21,540.04
  4. Step 4: Simplify right side
    40,246.18x = 1,302,711,893.94
  5. Step 5: Solve for x
    x = 1,302,711,893.94/40,246.18
  6. Step 6: Final answer
    x = 32,368.58

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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.