Home / 42,191.44-63,293.72-14,102.80

Finding the Fourth Proportional to 42,191.44, 63,293.72 and 14,102.80

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Solution

The fourth proportional to 42,191.44, 63,293.72 and 14,102.80 is: 21,156.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,191.44 : 63,293.72 = 14,102.80 : x
  2. Step 2: Convert to fraction form
    42,191.44/63,293.72 = 14,102.80/x
  3. Step 3: Cross multiply
    42,191.44x = 63,293.72 × 14,102.80
  4. Step 4: Simplify right side
    42,191.44x = 892,618,674.42
  5. Step 5: Solve for x
    x = 892,618,674.42/42,191.44
  6. Step 6: Final answer
    x = 21,156.39

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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.