Home / 40,082.07-60,131.30-13,783.39

Finding the Fourth Proportional to 40,082.07, 60,131.30 and 13,783.39

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Solution

The fourth proportional to 40,082.07, 60,131.30 and 13,783.39 is: 20,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.07 : 60,131.30 = 13,783.39 : x
  2. Step 2: Convert to fraction form
    40,082.07/60,131.30 = 13,783.39/x
  3. Step 3: Cross multiply
    40,082.07x = 60,131.30 × 13,783.39
  4. Step 4: Simplify right side
    40,082.07x = 828,813,159.11
  5. Step 5: Solve for x
    x = 828,813,159.11/40,082.07
  6. Step 6: Final answer
    x = 20,677.90

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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.