Home / 37,579.54-56,370.68-12,620.40

Finding the Fourth Proportional to 37,579.54, 56,370.68 and 12,620.40

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Solution

The fourth proportional to 37,579.54, 56,370.68 and 12,620.40 is: 18,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,579.54 : 56,370.68 = 12,620.40 : x
  2. Step 2: Convert to fraction form
    37,579.54/56,370.68 = 12,620.40/x
  3. Step 3: Cross multiply
    37,579.54x = 56,370.68 × 12,620.40
  4. Step 4: Simplify right side
    37,579.54x = 711,420,466.77
  5. Step 5: Solve for x
    x = 711,420,466.77/37,579.54
  6. Step 6: Final answer
    x = 18,931.06

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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.