Home / 43,099.64-64,653.96-11,934.89

Finding the Fourth Proportional to 43,099.64, 64,653.96 and 11,934.89

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Solution

The fourth proportional to 43,099.64, 64,653.96 and 11,934.89 is: 17,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.64 : 64,653.96 = 11,934.89 : x
  2. Step 2: Convert to fraction form
    43,099.64/64,653.96 = 11,934.89/x
  3. Step 3: Cross multiply
    43,099.64x = 64,653.96 × 11,934.89
  4. Step 4: Simplify right side
    43,099.64x = 771,637,900.66
  5. Step 5: Solve for x
    x = 771,637,900.66/43,099.64
  6. Step 6: Final answer
    x = 17,903.58

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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.