Home / 36,870.60-55,298.70-12,246.60

Finding the Fourth Proportional to 36,870.60, 55,298.70 and 12,246.60

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Solution

The fourth proportional to 36,870.60, 55,298.70 and 12,246.60 is: 18,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.60 : 55,298.70 = 12,246.60 : x
  2. Step 2: Convert to fraction form
    36,870.60/55,298.70 = 12,246.60/x
  3. Step 3: Cross multiply
    36,870.60x = 55,298.70 × 12,246.60
  4. Step 4: Simplify right side
    36,870.60x = 677,221,059.42
  5. Step 5: Solve for x
    x = 677,221,059.42/36,870.60
  6. Step 6: Final answer
    x = 18,367.51

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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.