Home / 40,163.88-60,266.48-19,127.78

Finding the Fourth Proportional to 40,163.88, 60,266.48 and 19,127.78

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Solution

The fourth proportional to 40,163.88, 60,266.48 and 19,127.78 is: 28,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.88 : 60,266.48 = 19,127.78 : x
  2. Step 2: Convert to fraction form
    40,163.88/60,266.48 = 19,127.78/x
  3. Step 3: Cross multiply
    40,163.88x = 60,266.48 × 19,127.78
  4. Step 4: Simplify right side
    40,163.88x = 1,152,763,970.81
  5. Step 5: Solve for x
    x = 1,152,763,970.81/40,163.88
  6. Step 6: Final answer
    x = 28,701.51

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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.