Home / 42,832.97-64,241.72-11,660.93

Finding the Fourth Proportional to 42,832.97, 64,241.72 and 11,660.93

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Solution

The fourth proportional to 42,832.97, 64,241.72 and 11,660.93 is: 17,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,832.97 : 64,241.72 = 11,660.93 : x
  2. Step 2: Convert to fraction form
    42,832.97/64,241.72 = 11,660.93/x
  3. Step 3: Cross multiply
    42,832.97x = 64,241.72 × 11,660.93
  4. Step 4: Simplify right side
    42,832.97x = 749,118,141.69
  5. Step 5: Solve for x
    x = 749,118,141.69/42,832.97
  6. Step 6: Final answer
    x = 17,489.29

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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.