Home / 39,829.60-59,672.40-19,007.20

Finding the Fourth Proportional to 39,829.60, 59,672.40 and 19,007.20

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Solution

The fourth proportional to 39,829.60, 59,672.40 and 19,007.20 is: 28,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.60 : 59,672.40 = 19,007.20 : x
  2. Step 2: Convert to fraction form
    39,829.60/59,672.40 = 19,007.20/x
  3. Step 3: Cross multiply
    39,829.60x = 59,672.40 × 19,007.20
  4. Step 4: Simplify right side
    39,829.60x = 1,134,205,241.28
  5. Step 5: Solve for x
    x = 1,134,205,241.28/39,829.60
  6. Step 6: Final answer
    x = 28,476.44

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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.