Home / 55,318.40-82,878.60-33,640.40

Finding the Fourth Proportional to 55,318.40, 82,878.60 and 33,640.40

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Solution

The fourth proportional to 55,318.40, 82,878.60 and 33,640.40 is: 50,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,318.40 : 82,878.60 = 33,640.40 : x
  2. Step 2: Convert to fraction form
    55,318.40/82,878.60 = 33,640.40/x
  3. Step 3: Cross multiply
    55,318.40x = 82,878.60 × 33,640.40
  4. Step 4: Simplify right side
    55,318.40x = 2,788,069,255.44
  5. Step 5: Solve for x
    x = 2,788,069,255.44/55,318.40
  6. Step 6: Final answer
    x = 50,400.40

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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.