Home / 40,371.35-60,559.76-13,720.02

Finding the Fourth Proportional to 40,371.35, 60,559.76 and 13,720.02

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Solution

The fourth proportional to 40,371.35, 60,559.76 and 13,720.02 is: 20,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,371.35 : 60,559.76 = 13,720.02 : x
  2. Step 2: Convert to fraction form
    40,371.35/60,559.76 = 13,720.02/x
  3. Step 3: Cross multiply
    40,371.35x = 60,559.76 × 13,720.02
  4. Step 4: Simplify right side
    40,371.35x = 830,881,118.40
  5. Step 5: Solve for x
    x = 830,881,118.40/40,371.35
  6. Step 6: Final answer
    x = 20,580.96

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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.