Home / 43,087.42-64,630.64-16,810.61

Finding the Fourth Proportional to 43,087.42, 64,630.64 and 16,810.61

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Solution

The fourth proportional to 43,087.42, 64,630.64 and 16,810.61 is: 25,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087.42 : 64,630.64 = 16,810.61 : x
  2. Step 2: Convert to fraction form
    43,087.42/64,630.64 = 16,810.61/x
  3. Step 3: Cross multiply
    43,087.42x = 64,630.64 × 16,810.61
  4. Step 4: Simplify right side
    43,087.42x = 1,086,480,686.69
  5. Step 5: Solve for x
    x = 1,086,480,686.69/43,087.42
  6. Step 6: Final answer
    x = 25,215.73

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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.