Home / 51,332.60-76,998.90-18,052.40

Finding the Fourth Proportional to 51,332.60, 76,998.90 and 18,052.40

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Solution

The fourth proportional to 51,332.60, 76,998.90 and 18,052.40 is: 27,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,332.60 : 76,998.90 = 18,052.40 : x
  2. Step 2: Convert to fraction form
    51,332.60/76,998.90 = 18,052.40/x
  3. Step 3: Cross multiply
    51,332.60x = 76,998.90 × 18,052.40
  4. Step 4: Simplify right side
    51,332.60x = 1,390,014,942.36
  5. Step 5: Solve for x
    x = 1,390,014,942.36/51,332.60
  6. Step 6: Final answer
    x = 27,078.60

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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.