Home / 39,905.64-59,869.44-11,827.08

Finding the Fourth Proportional to 39,905.64, 59,869.44 and 11,827.08

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Solution

The fourth proportional to 39,905.64, 59,869.44 and 11,827.08 is: 17,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.64 : 59,869.44 = 11,827.08 : x
  2. Step 2: Convert to fraction form
    39,905.64/59,869.44 = 11,827.08/x
  3. Step 3: Cross multiply
    39,905.64x = 59,869.44 × 11,827.08
  4. Step 4: Simplify right side
    39,905.64x = 708,080,656.44
  5. Step 5: Solve for x
    x = 708,080,656.44/39,905.64
  6. Step 6: Final answer
    x = 17,743.87

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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.