Home / 30,127.72-41,575.55-17,380.93

Finding the Fourth Proportional to 30,127.72, 41,575.55 and 17,380.93

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Solution

The fourth proportional to 30,127.72, 41,575.55 and 17,380.93 is: 23,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.72 : 41,575.55 = 17,380.93 : x
  2. Step 2: Convert to fraction form
    30,127.72/41,575.55 = 17,380.93/x
  3. Step 3: Cross multiply
    30,127.72x = 41,575.55 × 17,380.93
  4. Step 4: Simplify right side
    30,127.72x = 722,621,611.37
  5. Step 5: Solve for x
    x = 722,621,611.37/30,127.72
  6. Step 6: Final answer
    x = 23,985.27

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1.5x scale

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.