Home / 45,381.41-68,075.36-12,101.30

Finding the Fourth Proportional to 45,381.41, 68,075.36 and 12,101.30

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Solution

The fourth proportional to 45,381.41, 68,075.36 and 12,101.30 is: 18,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.41 : 68,075.36 = 12,101.30 : x
  2. Step 2: Convert to fraction form
    45,381.41/68,075.36 = 12,101.30/x
  3. Step 3: Cross multiply
    45,381.41x = 68,075.36 × 12,101.30
  4. Step 4: Simplify right side
    45,381.41x = 823,800,353.97
  5. Step 5: Solve for x
    x = 823,800,353.97/45,381.41
  6. Step 6: Final answer
    x = 18,152.82

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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.