Home / 50,666.78-76,014.82-15,611.60

Finding the Fourth Proportional to 50,666.78, 76,014.82 and 15,611.60

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Solution

The fourth proportional to 50,666.78, 76,014.82 and 15,611.60 is: 23,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,666.78 : 76,014.82 = 15,611.60 : x
  2. Step 2: Convert to fraction form
    50,666.78/76,014.82 = 15,611.60/x
  3. Step 3: Cross multiply
    50,666.78x = 76,014.82 × 15,611.60
  4. Step 4: Simplify right side
    50,666.78x = 1,186,712,963.91
  5. Step 5: Solve for x
    x = 1,186,712,963.91/50,666.78
  6. Step 6: Final answer
    x = 23,421.91

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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.