Home / 39,962.36-55,144.13-22,056.21

Finding the Fourth Proportional to 39,962.36, 55,144.13 and 22,056.21

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Solution

The fourth proportional to 39,962.36, 55,144.13 and 22,056.21 is: 30,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.36 : 55,144.13 = 22,056.21 : x
  2. Step 2: Convert to fraction form
    39,962.36/55,144.13 = 22,056.21/x
  3. Step 3: Cross multiply
    39,962.36x = 55,144.13 × 22,056.21
  4. Step 4: Simplify right side
    39,962.36x = 1,216,270,511.55
  5. Step 5: Solve for x
    x = 1,216,270,511.55/39,962.36
  6. Step 6: Final answer
    x = 30,435.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.