Home / 55,121.60-82,682.40-36,653.60

Finding the Fourth Proportional to 55,121.60, 82,682.40 and 36,653.60

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Solution

The fourth proportional to 55,121.60, 82,682.40 and 36,653.60 is: 54,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,121.60 : 82,682.40 = 36,653.60 : x
  2. Step 2: Convert to fraction form
    55,121.60/82,682.40 = 36,653.60/x
  3. Step 3: Cross multiply
    55,121.60x = 82,682.40 × 36,653.60
  4. Step 4: Simplify right side
    55,121.60x = 3,030,607,616.64
  5. Step 5: Solve for x
    x = 3,030,607,616.64/55,121.60
  6. Step 6: Final answer
    x = 54,980.40

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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.