Home / 40,022.48-60,069.90-21,318.14

Finding the Fourth Proportional to 40,022.48, 60,069.90 and 21,318.14

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Solution

The fourth proportional to 40,022.48, 60,069.90 and 21,318.14 is: 31,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.48 : 60,069.90 = 21,318.14 : x
  2. Step 2: Convert to fraction form
    40,022.48/60,069.90 = 21,318.14/x
  3. Step 3: Cross multiply
    40,022.48x = 60,069.90 × 21,318.14
  4. Step 4: Simplify right side
    40,022.48x = 1,280,578,537.99
  5. Step 5: Solve for x
    x = 1,280,578,537.99/40,022.48
  6. Step 6: Final answer
    x = 31,996.48

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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.