Home / 40,619.96-60,931.17-11,038.42

Finding the Fourth Proportional to 40,619.96, 60,931.17 and 11,038.42

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Solution

The fourth proportional to 40,619.96, 60,931.17 and 11,038.42 is: 16,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.96 : 60,931.17 = 11,038.42 : x
  2. Step 2: Convert to fraction form
    40,619.96/60,931.17 = 11,038.42/x
  3. Step 3: Cross multiply
    40,619.96x = 60,931.17 × 11,038.42
  4. Step 4: Simplify right side
    40,619.96x = 672,583,540.90
  5. Step 5: Solve for x
    x = 672,583,540.90/40,619.96
  6. Step 6: Final answer
    x = 16,557.96

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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.