Home / 45,461.12-68,220.81-22,074.80

Finding the Fourth Proportional to 45,461.12, 68,220.81 and 22,074.80

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Solution

The fourth proportional to 45,461.12, 68,220.81 and 22,074.80 is: 33,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,461.12 : 68,220.81 = 22,074.80 : x
  2. Step 2: Convert to fraction form
    45,461.12/68,220.81 = 22,074.80/x
  3. Step 3: Cross multiply
    45,461.12x = 68,220.81 × 22,074.80
  4. Step 4: Simplify right side
    45,461.12x = 1,505,960,395.48
  5. Step 5: Solve for x
    x = 1,505,960,395.48/45,461.12
  6. Step 6: Final answer
    x = 33,126.34

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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.