Home / 41,985.87-62,967.11-13,908.12

Finding the Fourth Proportional to 41,985.87, 62,967.11 and 13,908.12

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Solution

The fourth proportional to 41,985.87, 62,967.11 and 13,908.12 is: 20,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.87 : 62,967.11 = 13,908.12 : x
  2. Step 2: Convert to fraction form
    41,985.87/62,967.11 = 13,908.12/x
  3. Step 3: Cross multiply
    41,985.87x = 62,967.11 × 13,908.12
  4. Step 4: Simplify right side
    41,985.87x = 875,754,052.39
  5. Step 5: Solve for x
    x = 875,754,052.39/41,985.87
  6. Step 6: Final answer
    x = 20,858.30

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1.5x scale

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.