Home / 42,170.96-63,249.84-14,090.79

Finding the Fourth Proportional to 42,170.96, 63,249.84 and 14,090.79

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Solution

The fourth proportional to 42,170.96, 63,249.84 and 14,090.79 is: 21,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.96 : 63,249.84 = 14,090.79 : x
  2. Step 2: Convert to fraction form
    42,170.96/63,249.84 = 14,090.79/x
  3. Step 3: Cross multiply
    42,170.96x = 63,249.84 × 14,090.79
  4. Step 4: Simplify right side
    42,170.96x = 891,240,212.97
  5. Step 5: Solve for x
    x = 891,240,212.97/42,170.96
  6. Step 6: Final answer
    x = 21,133.98

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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.