Home / 40,160.54-60,268.44-13,865.28

Finding the Fourth Proportional to 40,160.54, 60,268.44 and 13,865.28

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Solution

The fourth proportional to 40,160.54, 60,268.44 and 13,865.28 is: 20,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.54 : 60,268.44 = 13,865.28 : x
  2. Step 2: Convert to fraction form
    40,160.54/60,268.44 = 13,865.28/x
  3. Step 3: Cross multiply
    40,160.54x = 60,268.44 × 13,865.28
  4. Step 4: Simplify right side
    40,160.54x = 835,638,795.76
  5. Step 5: Solve for x
    x = 835,638,795.76/40,160.54
  6. Step 6: Final answer
    x = 20,807.46

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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.