Home / 55,377.64-76,421.94-30,226.60

Finding the Fourth Proportional to 55,377.64, 76,421.94 and 30,226.60

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Solution

The fourth proportional to 55,377.64, 76,421.94 and 30,226.60 is: 41,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.64 : 76,421.94 = 30,226.60 : x
  2. Step 2: Convert to fraction form
    55,377.64/76,421.94 = 30,226.60/x
  3. Step 3: Cross multiply
    55,377.64x = 76,421.94 × 30,226.60
  4. Step 4: Simplify right side
    55,377.64x = 2,309,975,411.60
  5. Step 5: Solve for x
    x = 2,309,975,411.60/55,377.64
  6. Step 6: Final answer
    x = 41,713.14

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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.