Home / 45,482.10-68,232.36-19,186.80

Finding the Fourth Proportional to 45,482.10, 68,232.36 and 19,186.80

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Solution

The fourth proportional to 45,482.10, 68,232.36 and 19,186.80 is: 28,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,482.10 : 68,232.36 = 19,186.80 : x
  2. Step 2: Convert to fraction form
    45,482.10/68,232.36 = 19,186.80/x
  3. Step 3: Cross multiply
    45,482.10x = 68,232.36 × 19,186.80
  4. Step 4: Simplify right side
    45,482.10x = 1,309,160,644.85
  5. Step 5: Solve for x
    x = 1,309,160,644.85/45,482.10
  6. Step 6: Final answer
    x = 28,784.09

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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.