Home / 45,996.89-68,995.20-12,716.87

Finding the Fourth Proportional to 45,996.89, 68,995.20 and 12,716.87

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Solution

The fourth proportional to 45,996.89, 68,995.20 and 12,716.87 is: 19,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,996.89 : 68,995.20 = 12,716.87 : x
  2. Step 2: Convert to fraction form
    45,996.89/68,995.20 = 12,716.87/x
  3. Step 3: Cross multiply
    45,996.89x = 68,995.20 × 12,716.87
  4. Step 4: Simplify right side
    45,996.89x = 877,402,989.02
  5. Step 5: Solve for x
    x = 877,402,989.02/45,996.89
  6. Step 6: Final answer
    x = 19,075.27

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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.