Home / 45,127.17-67,715.36-20,166.21

Finding the Fourth Proportional to 45,127.17, 67,715.36 and 20,166.21

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Solution

The fourth proportional to 45,127.17, 67,715.36 and 20,166.21 is: 30,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.17 : 67,715.36 = 20,166.21 : x
  2. Step 2: Convert to fraction form
    45,127.17/67,715.36 = 20,166.21/x
  3. Step 3: Cross multiply
    45,127.17x = 67,715.36 × 20,166.21
  4. Step 4: Simplify right side
    45,127.17x = 1,365,562,169.99
  5. Step 5: Solve for x
    x = 1,365,562,169.99/45,127.17
  6. Step 6: Final answer
    x = 30,260.31

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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.