Home / 45,220.53-67,821.57-17,130.99

Finding the Fourth Proportional to 45,220.53, 67,821.57 and 17,130.99

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Solution

The fourth proportional to 45,220.53, 67,821.57 and 17,130.99 is: 25,692.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.53 : 67,821.57 = 17,130.99 : x
  2. Step 2: Convert to fraction form
    45,220.53/67,821.57 = 17,130.99/x
  3. Step 3: Cross multiply
    45,220.53x = 67,821.57 × 17,130.99
  4. Step 4: Simplify right side
    45,220.53x = 1,161,850,637.45
  5. Step 5: Solve for x
    x = 1,161,850,637.45/45,220.53
  6. Step 6: Final answer
    x = 25,692.99

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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.