Home / 45,142.75-67,656.17-17,029.32

Finding the Fourth Proportional to 45,142.75, 67,656.17 and 17,029.32

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Solution

The fourth proportional to 45,142.75, 67,656.17 and 17,029.32 is: 25,522.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,142.75 : 67,656.17 = 17,029.32 : x
  2. Step 2: Convert to fraction form
    45,142.75/67,656.17 = 17,029.32/x
  3. Step 3: Cross multiply
    45,142.75x = 67,656.17 × 17,029.32
  4. Step 4: Simplify right side
    45,142.75x = 1,152,138,611.48
  5. Step 5: Solve for x
    x = 1,152,138,611.48/45,142.75
  6. Step 6: Final answer
    x = 25,522.12

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1.5x scale

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.