Home / 40,142.94-55,344.72-34,537.90

Finding the Fourth Proportional to 40,142.94, 55,344.72 and 34,537.90

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Solution

The fourth proportional to 40,142.94, 55,344.72 and 34,537.90 is: 47,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.94 : 55,344.72 = 34,537.90 : x
  2. Step 2: Convert to fraction form
    40,142.94/55,344.72 = 34,537.90/x
  3. Step 3: Cross multiply
    40,142.94x = 55,344.72 × 34,537.90
  4. Step 4: Simplify right side
    40,142.94x = 1,911,490,404.89
  5. Step 5: Solve for x
    x = 1,911,490,404.89/40,142.94
  6. Step 6: Final answer
    x = 47,617.10

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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.