Home / 39,866.40-59,727.60-23,212.80

Finding the Fourth Proportional to 39,866.40, 59,727.60 and 23,212.80

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Solution

The fourth proportional to 39,866.40, 59,727.60 and 23,212.80 is: 34,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,866.40 : 59,727.60 = 23,212.80 : x
  2. Step 2: Convert to fraction form
    39,866.40/59,727.60 = 23,212.80/x
  3. Step 3: Cross multiply
    39,866.40x = 59,727.60 × 23,212.80
  4. Step 4: Simplify right side
    39,866.40x = 1,386,444,833.28
  5. Step 5: Solve for x
    x = 1,386,444,833.28/39,866.40
  6. Step 6: Final answer
    x = 34,777.28

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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.