Home / 40,690.20-60,940.53-39,569.12

Finding the Fourth Proportional to 40,690.20, 60,940.53 and 39,569.12

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Solution

The fourth proportional to 40,690.20, 60,940.53 and 39,569.12 is: 59,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.20 : 60,940.53 = 39,569.12 : x
  2. Step 2: Convert to fraction form
    40,690.20/60,940.53 = 39,569.12/x
  3. Step 3: Cross multiply
    40,690.20x = 60,940.53 × 39,569.12
  4. Step 4: Simplify right side
    40,690.20x = 2,411,362,839.73
  5. Step 5: Solve for x
    x = 2,411,362,839.73/40,690.20
  6. Step 6: Final answer
    x = 59,261.51

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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.