Home / 22,439.60-33,630.60-19,962.80

Finding the Fourth Proportional to 22,439.60, 33,630.60 and 19,962.80

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Solution

The fourth proportional to 22,439.60, 33,630.60 and 19,962.80 is: 29,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,439.60 : 33,630.60 = 19,962.80 : x
  2. Step 2: Convert to fraction form
    22,439.60/33,630.60 = 19,962.80/x
  3. Step 3: Cross multiply
    22,439.60x = 33,630.60 × 19,962.80
  4. Step 4: Simplify right side
    22,439.60x = 671,360,941.68
  5. Step 5: Solve for x
    x = 671,360,941.68/22,439.60
  6. Step 6: Final answer
    x = 29,918.58

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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.