Home / 40,259.76-60,381.36-13,955.64

Finding the Fourth Proportional to 40,259.76, 60,381.36 and 13,955.64

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Solution

The fourth proportional to 40,259.76, 60,381.36 and 13,955.64 is: 20,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.76 : 60,381.36 = 13,955.64 : x
  2. Step 2: Convert to fraction form
    40,259.76/60,381.36 = 13,955.64/x
  3. Step 3: Cross multiply
    40,259.76x = 60,381.36 × 13,955.64
  4. Step 4: Simplify right side
    40,259.76x = 842,660,522.87
  5. Step 5: Solve for x
    x = 842,660,522.87/40,259.76
  6. Step 6: Final answer
    x = 20,930.59

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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.