Home / 40,144.85-60,135.45-19,020.86

Finding the Fourth Proportional to 40,144.85, 60,135.45 and 19,020.86

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Solution

The fourth proportional to 40,144.85, 60,135.45 and 19,020.86 is: 28,492.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,144.85 : 60,135.45 = 19,020.86 : x
  2. Step 2: Convert to fraction form
    40,144.85/60,135.45 = 19,020.86/x
  3. Step 3: Cross multiply
    40,144.85x = 60,135.45 × 19,020.86
  4. Step 4: Simplify right side
    40,144.85x = 1,143,827,828.99
  5. Step 5: Solve for x
    x = 1,143,827,828.99/40,144.85
  6. Step 6: Final answer
    x = 28,492.52

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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.